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Potassium Hydrogen Aspartate Hemihydrate BP & Pure Grade Manufacturers, SDS GHS MSDS Sheet
Potassium Hydrogen Aspartate Hemihydrate: CAS Number: 7259-25-8 & etc, EINECS EC Number: yyyyy, Molecular Formula: C4-H6-K-N-O4•(H2O)0.5, Molecular Weight: 180 HS Code ---**
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SDS MSDS Sheet of Potassium Hydrogen Aspartate Hemihydrate Manufacturers
Potassium Hydrogen Aspartate Hemihydrate
Pure BP & Pure Grade
Potassium Hydrogen Aspartate Hemihydrate BP Grade
C4H6KNO4,½H2O -- 180.2ıı
Action and use: Excipient.
Potassium hydrogen (2S)-2-aminobutanedioate hemihydrate.
Content: 99.0 per cent to 101.0 per cent (anhydrous substance).
Appearance: White or almost white, powder or crystalline powder, or colourless crystals.
Solubility: Very soluble in water, practically insoluble in alcohol and in methylene chloride.
A. It complies with the test for specific optical rotation (see Tests).
B. Examine the chromatograms obtained in the test for ninhydrin-positive substances.
Results: The principal spot in the chromatogram obtained with test solution (b) is similar in position, colour and size to the principal spot in the chromatogram obtained with reference solution (a).
C. It gives reaction (b) of potassium (2.3.1).
Solution S: Dissolve 2.5 g in carbon dioxide-free water prepared from distilled water and dilute to 100 ml with the same solvent.
Appearance of solution: Solution S is clear and colourless.
pH: 6.0 to 7.5 for solution S.
Specific optical rotation: + 18.0 to + 20.5 (anhydrous substance).
Dissolve 0.50 g in a mixture of equal volumes of hydrochloric acid and water and dilute to 25.0 ml with the same mixture of solvents.
Ninhydrin-positive substances: Thin-layer chromatography.
Test solution (a): Solution S.
Test solution (b): Dilute 1.0 ml of solution S to 10.0 ml with water.
Reference solution (a): Dissolve 25 mg of potassium hydrogen aspartate hemihydrate CRS in water and dilute to 10 ml with the same solvent.
Reference solution (b): Dilute 1.0 ml of test solution (b) to 20.0 ml with water R.
Reference solution (c): Dissolve 10 mg of glutamic acid CRS and 10 mg of the substance to be examined in water and dilute to 25 ml with the same solvent.
Plate: TLC silica gel plate R.
Mobile phase: glacial acetic acid R, water R, butanol R (20:20:60 V/V/V).
Application: 5 μl.
Development: Over 2/3 of the plate.
Drying: In air.
Detection: Spray with ninhydrin solution and heat at 100-105C for 15 min.
System suitability: Reference solution (c):
the chromatogram shows 2 clearly separated principal spots.
Limits: Test solution (a):
any impurity: any spot, apart from the principal spot, is not more intense than the spot in the chromatogram obtained with reference solution (b) (0.5 per cent).
Chlorides: Maximum 200 ppm.
Sulphates: Maximum 500 ppm.
Ammonium: Maximum 200 ppm, determined on 50 mg.
Iron: Maximum 30 ppm.
Heavy metals: Maximum 10 ppm.
Water: 4.0 per cent to 6.0 per cent, determined on 0.200 g.
Dissolve 70.0 mg in 5 ml of anhydrous formic acid, add 50 ml of anhydrous acetic acid.
Titrate with 0.1 M perchloric acid, determining the end-point potentiometrically.
1 ml of 0.1 M perchloric acid is equivalent to 8.56 mg of C4H6KNO4.
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Last 17 May, 2017
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Potassium Hydrogen Aspartate Hemihydrate SDS MSDS Sheet, Material Safety Data Sheet
1. Product Identification
Synonyms: Aspartic acid potassium salt hemihydrate, Potassium hydrogen (2S)-2-aminobutanedioate hemihydrate.
CAS No.: 7259-25-8
EINECS EC Number: --
Molecular Weight: 180
Chemical Formula: C4H6KNO4(H2O)0.5
Intended Use: Industrial Manufacturing
SUPPLIER: As per Letterhead.
2. Hazards Identification
GHS, Globally Harmonized System Classification in accordance with 29 CFR 1910
Classification according to Regulation (EC) No 1272/2008
Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
This substance is not classified as dangerous according to Directive 67/548/EEC.
Labeling according GHS & Regulation (EC) No 1272/2008
GHS Label Elements
Signal Word: None
Hazards not otherwise classified (HNOC):
May causes mild skin irritation.
May Causes mild eye irritation.
P261: Avoid breathing dust/fume/gas/mist/vapors/spray.
P302+P352 - IF ON SKIN: Wash with plenty of soap and water.
P303+P361+P353 - IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
P304 + P340 - IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P337+313: If eye irritation persists get medical advice/attention.
3. Composition/Information on Ingredients
Ingredient: Potassium Hydrogen Aspartate Hemihydrate
CAS No.: 7259-25-8
Percent: 99 - 100%
4. First Aid Measures
Inhalation: Remove to fresh air. Get medical attention for any breathing difficulty.
Ingestion: Do not induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight clothing.
Skin Contact: Wash exposed area with soap and water. Get medical advice if irritation develops.
Eye Contact: Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical attention.
5. Fire Fighting Measures
Fire: It is not considered to be a fire hazard.
Explosion: Not considered to be an explosion hazard.
Fire Extinguishing Media: Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. Use means suitable for extinguishing surrounding fire.
Special Information: Use protective clothing and breathing equipment appropriate for the surrounding fire.
6. Accidental Release Measures
Small Spill: Avoid dust formation. Avoid breathing vapours, mist or gas. Use appropriate tools to put the spilled solid in a convenient waste disposal container. Finish cleaning by spreading water on the contaminated surface and dispose of according to legal requirements.
Large Spill: Use a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading water on the contaminated surface and allow to drain.
7. Handling and Storage
Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. Containers may be hazardous when empty since they retain product residues (dust, solids).
8. Exposure Controls/Personal Protection
Airborne Exposure Limits: None established.
Ventilation System: In general, dilution ventilation is a satisfactory health hazard control for this substance. However, if conditions of use create discomfort to the worker, a local exhaust system should be considered.
Personal Respirators (NIOSH Approved): Not expected to require personal respirator usage. For conditions of use where exposure to dust or mist is apparent and engineering controls are not feasible, a particulate respirator (NIOSH type N95 or better filters) may be worn. If oil particles (e.g. lubricants, cutting fluids, glycerin, etc.) are present, use a NIOSH type R or P filter. For emergencies or instances where the exposure levels are not known, use a full-face positive-pressure, air-supplied respirator. WARNING: Air-purifying respirators do not protect workers in oxygen-deficient atmospheres.
Skin Protection: Wear protective gloves and clean body-covering clothing.
Eye Protection: Safety glasses. Maintain eye wash fountain and quick-drench facilities in work area.
9. Physical and Chemical Properties
Appearance: It is colorless crystals or white crystalline powder.
Solubility: Soluble in water.
% Volatile by volume @ 21C (70F): 0
10. Stability and Reactivity
Stability: Stable under ordinary conditions of use and storage.
Hazardous Decomposition Products: When heated to decomposition, substance may emit oxides of carbon, nitrogen. Oxides of pptassium and fumes may be formed.
Hazardous Polymerization: Will not occur.
Incompatibilities: Strong oxidizing agents.
11. Toxicological Information
No LD50/LC50 information found relating to normal routes of occupational exposure.
Carcinogenicity: No component of this product present at levels greater than or equal to 0.1% is identified as probable or confirmed human carcinogen by IARC, ACGIH, OSHA and NTP.
12. Ecological Information
This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.
Environmental Fate: No information found.
13. Disposal Considerations
Whatever cannot be saved for recovery or recycling should be managed in an appropriate and approved waste disposal facility. Processing, use or contamination of this product may change the waste management options. State and local disposal regulations may differ from federal disposal regulations. Dispose of container and unused material in accordance with federal, state and local requirements.
14. Transport Information
DOT: Not regulated as dangerous goods.
ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA: Not dangerous goods
15. Regulatory Information
OSHA Hazards: No known OSHA hazards
TSCA: Not listed
SARA 311/312: Acute: No; Chronic: No; Fire: No; Pressure: No; Reactivity: No (Pure / Solid)
SARA 313: Not applicable
SARA 302: Not applicable
California Prop. 65 Components: This product does not contain any chemicals known to State of California to cause cancer, birth, or any other reproductive defects.
(Canada) WHMIS: Not controlled under WHMIS (Canada).
DSL Status: All components of this product are on the Canadian DSL list.
EINECS EC Number: --
16. Other Information
DISCLAIMER: The information and recommendations set forth herein (hereinafter "Information") are presented in good faith and believed correct as of the date hereof. It is compiled from various sources and it is not necessarily all inclusive nor fully adequate in every circumstance. In addition, these suggestions should not be confused with nor followed in violation of applicable laws, regulations, rules or insurance requirements applicable. This MSDS sheet is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose.