L-Histidine White Powder High Quality Food Grade CAS: 71-00-1

• Powder: Yes
• Customized: Customized
• Certification: GMP, ISO 9001
• State: Podwer
• Purity: >99%
• Appearance: White Powder
• Model NO.: 71-00-1
• CAS No.: 71-00-1
• Einecs: 200-745-3
• Formula: C6h9n3o2
• Grade: Food Grade
• Transport Package: 25kg/Cardboard Drum
• Specification: 99%
• Origin: China
• HS Code: 29332990

Product Description

Information

Product Name: 

L-Histidine

Other Name: 

L-Histidine;Histidine,L-;Histidine;1H-Imidazole-4-propanoic acid,α-amino-,(S)-;(S)-4-(2-Amino-2-carboxyethyl)imidazole;Glyoxaline-5-alanine;L-(-)-Histidine;(S)-Histidine;(S)-α-Amino-1H-imidazole-4-propanoic acid;1H-Imidazole-4-alanine,(S)-;L-Alanine,3-(1H-imidazol-4-yl)-;NSC 137773;(2S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid;8: PN: EP2878667 TABLE: 5 claimed sequence;(S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid;(2S)-2-Azaniumyl-3-(1H-imidazol-5-yl)propanoate;(2S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid;124: PN: WO2020191245 SEQID: 252 claimed protein;103: PN: WO2021061872 SEQID: 103 claimed protein;150-35-6;7006-35-1;35479-49-3;35558-59-9;45955-20-2;54166-13-1;736075-03-9;155304-24-8

CAS No.: 

71-00-1  

InChIKeys: 

InChIKey=HNDVDQJCIGZPNO-YFKPBYRVSA-N  

Molecular Weight: 

155.15  

Exact Mass: 

155.15  

BRN: 

4673585

EC Number: 

200-745-3  

UNII: 

4QD397987E  

DSSTox ID: 

DTXSID9023126  

NCI Thesaurus Code: 

C29597

Color/Form: 

Needles or plates|COLORLESS

Categories: 

Nutrition Supplements

Characteristics

PSA: 

92  

XLogP3: 

-3.2  

Appearance: 

White to off-white or pale yellow powder  

Density: 

1.3092 (rough estimate)  

Melting Point: 

287 °C (decomp)

Boiling Point: 

278.95°C (rough estimate)  

Flash Point: 

282ºC  

Refractive Index: 

1.731  

Water Solubility: 

H2O: 41.6 g/L (25 ºC)

Storage Conditions: 

Store at RT.  

Toxicity: 

LD50 orally in Rabbit: > 5110 mg/kg  

Specific rotation: 

12.4 º (c=11,6N HCl)  

Taste: 

Sweet

PKA: 

2.76(at 0 °C)  

Dissociation Constants: 

2.76 (at 0 °C)|pK1'= 1.78; pK2'= 5.97; pK3'= 8.97|pKa = 2.76 @ 0 °C

Experimental Properties: 

Softens @ 277 °C|Rhombic crystals (also forms a monohydrate) /L-histidine monohydrochloride/; rhombic crystals, isomorphous with the mono-HCl /L-histidine dihydrochloride/|UV: 11479 (Sadtler Research Laboratories Spectral Collection) /dl-Histidine

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Keep container tightly closed in a dry and well-ventilated place. Store under inert gas. Air sensitive. Storage class (TRGS 510): Non Combustible Solids.