Sodium Dichromate Pure and Analytical Reagent Grade Manufacturers, with SDS GHS MSDS Sheet

Supplier, Manufacturer, Exporter of Sodium Dichromate, Muby Chemicals of Mubychem Group, established in 1976, is the original manufacturers of Specialty Chemicals, Pharmaceutical Excipient, Fragrance Food & Flavor chemicals, Reagent Grade Chemicals, Shale Gas Fracturing Chemicals in India. Mubychem Group has several manufacturing facilities spread across Western India and world wide contacts and toll manufacturers. We are exporting globally to countries like USA, Canada, Europe, UAE, South Africa, Tanzania, Kenya, Egypt, Nigeria, Cameroon, Uganda, Turkey, Mexico, Brazil, Chile, Argentina, Dubai, Korea, Vietnam, Thailand, Malaysia, Indonesia, Australia, China, Germany, France, Italy, Portugal etc.

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Sodium Dichromate: CAS Number: 7789-12-0, EINECS EC Number: 234-190-3, Molecular Formula: Na2Cr2O7-2H2O, Molecular Weight: 298.00, HS Code ---**

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SDS MSDS Sheet of Sodium Dichromate Manufacturers

Sodium Dichromate
Pure & Analytical Reagent Grade Suppliers
Sodium Dichromate

Sodium dichromate is the inorganic compound with the formula Na2Cr2O7, used  as its dihydrate Na2Cr2O7·2H2O. Dichromate salts are strong oxidizing agents.

General Specifications of Sodium Dichromate:
Appearance: Bright Orange Crystals
Solubility: Readily soluble in water
Specific Gravity at 20C: 2.35
Stability in Air: Deliquescent
Assay as Na2Cr2O 7-2H2O %: 99.0 min
Sulphate as Na2SO4 %: 0.2 max
Chlorides as NaCl %: 0.4 max
Iron as Fe %: 0.003 max
pH of 10% solution: 3.6 – 4.4

Sodium Dichromate Dihydrate Analytical Reagent Grade:
Na2Cr2O7 . 2H2O --- Formula Wt 298.00
CAS Number 7789-12-0

REQUIREMENTS
Assay: 99.5-100.5% Na2Cr2O7-2H2O
MAXIMUM ALLOWABLE
Insoluble matter: 0.005%
Ammonium hydroxide precipitate: 0.005%
Chloride (Cl): 0.005%
Sulfate (SO4): 0.01%
Calcium (Ca): 0.003%
Aluminum (Al): 0.002%

We also manufacture and supply as under:

Lead Chromate

Potassium Chromate

Potassium Dichromate

Pyridinium Dichromate

Sodium Chromate

Sodium Dichromate.

Manufacturers:

MUBY CHEMICALS
Ambernath Mumbai, Ankleshwar Gujarat, India
TEL: (OFFICE) +912223770100, +912223726950
Current Date Time in India GMT+5:30

e-mail: info@mubychem.com

USA, Canada, Mexico and other American
neighbouring buyers may
e-mail: us@mubychem.com
Call toll-free 1-877-682-9243 (1-877-MUBYCHEM)

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Last 5 October, 2023

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Sodium Dichromate SDS, Safety Data Sheet
MSDS Sheet, Material Safety Data Sheet
17-Nov-20

Section 1. Product Information

Product Name & Other Names: Sodium Dichromate.
CAS No.: 7789-12-0
EINECS EC Number: 234-190-3
Chemical Formula: Na2Cr2O7
Molecular Weight: 298.00
Relevant uses and uses advised against (if any): Industrial Manufacturing.
Suppliers: As per letterhead.

Section 2: Hazards Identification

GHS, Globally Harmonized System Classification in accordance with 29 CFR 1910
Classification according to Regulation (EC) No 1272/2008

Oxidizing liquids; Oxidizing solids Category 3, H272
Acute toxicity, oral Category 3, H301
Acute toxicity, dermal Category 4 H312
Skin corrosion/irritation Category 1A, B, C H314
Acute toxicity, inhalation Category 1, 2 H330
Acute toxicity, inhalation Category 4 H332
Sensitization, respiratory Category 1, H334
Germ cell mutagenicity Category 1A, 1B, H340
Carcinogenicity Category 1A, 1B, H350
Reproductive toxicity Category 1A, 1B, H360
Specific target organ toxicity - repeated exposure (Category 1), H372
Chronic aquatic toxicity (Category 1), H410

Labeling according GHS & Regulation (EC) No 1272/2008

GHS Label Elements
Aquatic Toxicity
Aquatic Toxicity

GHS Label Elements
Health Hazard
Health Hazard

GHS Label Elements
corrosive.png
Corrosive

GHS Label Elements
oxidizingsolid.png
Oxidizer

GHS Label Elements
toxic.png
Toxic

 

Signal Words: Danger

Hazard statements:
H272 May intensify fire; oxidizer
H301 Toxic if swallowed.
H312 Harmful in contact with skin.
H314 Causes severe skin burns and eye damage.
H332 Harmful if inhaled.
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H340 May cause genetic defects.
H350 May cause cancer.
H360 May damage fertility or the unborn child.
H372 Causes damage to organs (Cardio-vascular system) through prolonged or repeated exposure if inhaled.
H410 Very toxic to aquatic life with long lasting effects.

Precautionary statements:
P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P210: Keep away from heat/sparks/open flames/hot surfaces – No smoking.
P220: Keep/Store away from clothing/…/combustible materials.
P260: Do not breathe dust/fume/gas/mist/vapors/spray.
P264: Wash … thoroughly after handling.
P270: Do not eat, drink or smoke when using this product.
P273: Avoid release to the environment.
P280: Wear protective gloves/protective clothing/eye protection/face protection.
P314: Get medical advice/attention if you feel unwell.
P330: Rinse mouth.
P362: Take off contaminated clothing and wash before reuse.
P301+310: IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P303+361+353: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
P304+340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P342+311: If experiencing respiratory symptoms: Call a POISON CENTER or doctor/physician.
P332+313: If skin irritation occurs: Get medical advice/attention.
P305+351+338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing.
P308+313: IF exposed or concerned: Get medical advice/attention.
P391: Collect spillage.
P405: Store locked up.
P501: Dispose of contents/container in accordance with local/regional/national/international regulation.

Classification according to EU Directives 67/548/EEC or 1999/45/EC:
Hazard Symbols:
O Oxidizing
C Corrosive
T Toxic
Xn Harmful
N Dangerous for the environment.
Risk Phrases:
R8 Contact with combustible material may cause fire.
R20 Harmful by inhalation.
R21 Harmful in contact with skin.
R25 Toxic if swallowed.
R34 Causes burns.
R41 Risk of serious damage to eyes.
R42 May cause sensitization by inhalation.
R45 May cause cancer.
R46 May cause inheritable genetic damage.
R48 Danger of serious damage to health by prolonged exposure.
R50/53 Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R60 May impair fertility.
R61 May cause harm to the unborn child.

Section 3: Composition and Information on Ingredients

Product Name & Other Names: Sodium Dichromate.
CAS No.: 7789-12-0
EINECS EC Number: 234-190-3

Section 4. First Aid & Procedure

Always get medical attention after the first aid is over.

Ingestion: Never give anything by mouth to an unconscious person. Get medical attention.
Skin:
Immediately flush skin with plenty of water for at least 15 minutes. Remove and wash contaminated clothing and shoes before reuse. Get medical attention if irritation develops.
Eyes:
Immediately flush eyes with plenty of water for 15 minutes, occasionally lifting upper and lower eyelids. Hold eyelids apart during irrigation. Get medical attention.
Inhalation:
Remove person to fresh air. If breathing is difficult, give oxygen. If not breathing administer artificial respiration. Get medical attention.

Section 5. Fire Fighting Measures

Flash Point: N/A
Fire/Explosion:
The product is not combustible, but it is an oxidizer.
Extinguishing Medium:
Water spray, alcohol-resistant foam, sand, dry chemical, or carbon dioxide. Use water spray to cool unopened containers.
Special hazards arising from the substance or mixture: Sodium and Chromium compound.
Special Information: In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full face piece operated in the pressure demand or other positive pressure mode. At high temperatures under fire conditions, it may produce toxic or irritating fumes. Fire-extinguishing work is done from the windward and the suitable fire-extinguishing method according to the surrounding situation is used. Uninvolved persons should evacuate to a safe place.

Section 6. Spills and Disposals

Personal precautions, protective equipment, and emergency procedures: Ventilate area of leak or spill. Avoid breathing dust/fumes/gas/mist/vapors/spray. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Restrict unprotected personnel from the area. Prevent any contact with hot surfaces. Do not approach facing the wind. Do not touch the spilled material. Do not touch or walk through this product. Stop leak if safe to do so.
Environmental precautions: Do not let the product enter drains, soil, or water sources.
Methods and materials used for containment Cleanup procedures and Storage: Contain spilled material. Cover with an inert, non-combustible absorbent material, (e.g. sand, earth, diatomaceous earth, vermiculite). Vacuum or sweep-up and remove to an approved disposal container.

Section 7. Handling and Storage

Toxic Hazardous material.
Precautions for safe handling: Avoid prolonged or repeated exposure. Apply according to good manufacturing and industrial hygiene practices. Ensure proper ventilation. Wash thoroughly after handling. Do not drink, eat, or smoke while handling. Avoid contact with skin, eyes, and clothing. Minimize dust generation. Avoid breathing dust/fumes/gas/mist/vapors/spray. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use individual protective equipment (waterproof boots, suitable protective clothing, safety glasses, etc.). Prevent any contact with hot surfaces.
Conditions for safe storage, including any incompatibilities: Store in cool, dry, and ventilated area away from heat sources and protected from sunlight in tightly closed original container. Keep air contact to a minimum. Store protected from heat, sparks and ignition sources and incompatible materials. Avoid contact with skin and eyes. Avoid inhalation of dust/mist/vapor. Do not store with incompatible materials like strong oxidizing agents, combustibles, organic materials, Powdered metals, reducing agents.

Section 8. Exposure Controls & Personal Protection

Exposure Limits: 0.05 mg/m3 as Chromium USA Occupational Exposure Limits (OSHA)
Engineering Controls: Use adequate exhaust ventilation to keep airborne concentrations below the allowable exposure limit.
Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures as low as possible. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area.
Personal Respirators (NIOSH Approved): For conditions of use where exposure to dust or mist is apparent and engineering controls are not feasible, a particulate respirator may be worn. For emergencies or instances where the exposure levels are not known, use a full-face positive-pressure, air-supplied respirator.
Skin Protection: Wear protective gloves and clean body-covering clothing.
Eye Protection: Use chemical safety goggles and/or full face shield where dusting or splashing of solutions is possible. Maintain eye wash fountain and quick-drench facilities in work area.
Other Control Measures: Maintain good housekeeping in work area. Dust deposits on floors and other surfaces may pick up moisture and cause the surfaces to become slippery and present safety hazards. Handle in accordance with good industrial hygiene and safety practice. Wash hands after handling.

Section 9. Physical & Chemical Data

Appearance: Orange solids.
Odor: None.
Odor threshold: Not available.
pH Value: 3.5 - 4 for a 5% solution.
Relative density
: around 2.35
Melting Point: 357C
Initial boiling point and boiling range: Not available.
Flash point: Not available.
Auto-ignition temperature: Not available.
Decomposition temperature: Not available.
Upper/lower flammability or explosive limits: Not available.
Vapor pressure: Not available.
Vapor density: Not available.
Evaporation rate: Not available.
Flammability (solid, gas): Not available.
Partition coefficient: n-octanol/water: Not available.
Solubility: Soluble in water.
Viscosity: Not available.
Chemical Formula: K2Cr2O7
Molecular Weight: 294.18

Section 10. Stability and Reactivity

Chemical Stability: Stable under recommended temperatures and pressures.
Incompatibility (Materials to Avoid):
Organic materials, Powdered metals, Strong reducing agents.
Conditions to Avoid: Incompatible materials, exposure to moist air or water, excessive heat.
Hazardous Decomposition Products: Sodium and Chromium oxides or other complexes.
Hazardous Polymerization:
Will not occur.

Section 11. Toxicological Information

Toxicity to Animals: LD50 Oral - Rat - 50 mg/kg.
LD50 Dermal - Rabbit - > 960 mg/kg
Carcinogenicity: IARC: 1 - Group 1: Carcinogenic to humans. NTP: Known to be human carcinogen.
Specific target organ toxicity: May cause damage to organs through prolonged or repeated exposure. May cause congenital malformation in the fetus. Presumed human reproductive toxicant.
Mutagenic Effects: May cause genetic defects.
Reproductive Effects: May damage fertility or the unborn child.

Section 12. Ecological Information

Ecotoxicity: Very toxic to aquatic organisms, may cause long-term adverse effects.
Toxicity to fish: LC50: = 213 mg/L, 96h static (Lepomis macrochirus).
Persistence and Degradability: This product is not readily biodegradable.
Environmental Precautions: DO NOT DISCHARGE into drains and rivers.

Section 13. Disposal Suggestions

Dispose of in accordance with all applicable local, state, and federal regulations at an approved waste disposal facility.

Section 14. Transport and Label Information

DOT USA, TDG Canada & ADR/RID Europe:
UN number: 3087 Class: 5.1 (6.1) Packing group: II
Proper shipping name: Oxidizing solid, toxic, n.o.s. (Sodium dichromate dihydrate)
IMDG/IMO
UN number: 3087 Class: 5.1 (6.1) Packing group: II
Proper shipping name: Oxidizing solid, toxic, n.o.s. (Sodium dichromate dihydrate)
IATA:
UN number: 3087 Class: 5.1 (6.1) Packing group: II
Proper shipping name: Oxidizing solid, toxic, n.o.s. (Sodium dichromate dihydrate)

Section 15. Regulatory Information

USA:
SARA 302
: No chemicals in this material are subject to the reporting requirements of SARA Title III, Section 302.
SARA 313 Components: Listed.
SARA 311/312: Hazardous Categorization: Fire Hazard; Acute Health Hazard; Chronic Health Hazard. See section 2.
California Prop.65: WARNING! This product contains a chemical known to the State of California to cause cancer and birth defects or other reproductive harm.

Section 16. Other Information

European Labeling in Accordance with EC Directives:
H272 May intensify fire; oxidizer
H301 Toxic if swallowed.
H312 Harmful in contact with skin.
H314 Causes severe skin burns and eye damage.
H332 Harmful if inhaled.
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled.
H340 May cause genetic defects.
H350 May cause cancer.
H360 May damage fertility or the unborn child.
H372 Causes damage to organs (Cardio-vascular system) through prolonged or repeated exposure if inhaled.
H410 Very toxic to aquatic life with long lasting effects.

Classification according to EU Directives 67/548/EEC or 1999/45/EC:
Hazard Symbols:
O Oxidizing
C Corrosive
T Toxic
Xn Harmful
N Dangerous for the environment.
Risk Phrases:
R8 Contact with combustible material may cause fire.
R20 Harmful by inhalation.
R21 Harmful in contact with skin.
R25 Toxic if swallowed.
R34 Causes burns.
R41 Risk of serious damage to eyes.
R42 May cause sensitization by inhalation.
R45 May cause cancer.
R46 May cause inheritable genetic damage.
R48 Danger of serious damage to health by prolonged exposure.
R50/53 Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
R60 May impair fertility.
R61 May cause harm to the unborn child.

Disclaimer:
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Our company provides this MSDS sheet in good faith but makes no representation as to its comprehensiveness or accuracy. This SDS sheet is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. The above information has been compiled from various sources and has the possibility of discrepancy and being out-dated information. Individuals receiving the information must exercise their independent judgment and do further search in determining its appropriateness for a particular purpose. In no case shall our company be liable to loss or damages by the product user.
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