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L - Histidine

Name: L - Histidine
Brand: East Chemsources
SKU: pr2411261271
Price: 2 USD
Availability: InStock

8 Inquiries

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CAS No.:

71-00-1

Grade:

Pharmaceutical grade / Food grade

Content:

99%

Brand:

East Chemsources

Packaging:

25kg/Cardboard Drum

Price valid (until):

2024-12-22

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QINGDAO EAST CHEMSOURCES TRADE CO.,LTD

Company Type:

Trader

Location:

China

Qualification:

Main Products:

Food additives,Pharmaceutical raw materials,Chemicals,Comestic raw materials

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Product Description
Seller Information
Inquiry History

Description

Product Detail

Basic Information
- Chemical Name: L - Histidine; (2S) - 2 - Amino - 3 - (1H - imidazol - 4 - yl) pro/panoic acid.
- CAS Number: 71 - 00 - 1.
- Molecular Formula: C6H9N3O2 .
- Molecular Weight: 155.15.
Physical and Chemical Properties
- Appearance: White to slightly yellowish crystalline powder.
- Melting Point: 288 °C (decomposes).
- Solubility: Sparingly soluble in water, about 4.14 g/L at 25 °C. Soluble in dilute acids and alkalis. Insoluble in e/thanol and e/ther.
- pH of Aqueous Solution: The pH of a 1% aqueous solution is around 7.5 - 8.5.
Quality Specifications
- Purity: Assay (dry basis) is usually 98.5% - 101.0%.
- Loss on Drying: Max. 0.5%.
- Residue on Ignition: Max. 0.1%.
- Heavy Metals: Max. 10 ppm.
- Arsenic: Max. 2 ppm.
- Related Substances: Each individual impurity: Max. 0.5%. Total impurities: Max. 1.0%.
Uses
- Pharmaceutical Industry: It is used in the synthesis of drugs, as a component of amino acid infusions, and for the treatment of certain diseases related to amino acid metabolism.
- Food Industry: It can be used as a food additive, mainly for nutritional fortification.
- Cosmetics Industry: It is used in some cosmetic products for its potential skin - conditioning properties.
Storage and Handling
- Storage: Store in a cool, dry place, protected from light. Keep the container tightly closed to prevent moisture absorption.
- Handling: Wear appropriate protective gear, such as gloves and eye protection, to avoid contact with the powder. In case of contact with skin or eyes, rinse immediately with plenty of water.
Safety Information
- Hazard Statements: May cause skin and eye irritation if in direct contact. Inhalation of dust may lead to respiratory discomfort.
- Precautionary Statements: Avoid generating dust during handling. Provide good ventilation in the working area. In case of accidental ingestion, seek medical advice promptly.

Company Introduction: East Chemsources Limited was established in 2008, is a professional company engaged in the development of chemical products. In the past of 15 years，through continuous technological innovation and the use of talent introduction advantages, we have achieved rapid development, and has become an international diversified modern chemical enterprise. At present, our products have been exported to more than 80 countries,including food additives, medical raw materials, chemical products and personal care.

Since the establishment of the company, always adhere to the credibility first, quality first enterprise creed. Our company is committed to creating a customer-centric, customer-demand-oriented, customer value creation and achievement of customer dreams for the purpose of the service concept, with a broad vision and broad mind, committed to creating good benefits and market operation, to build corporate brand.

Basic Info

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

Molecular Formula:

C6H9N3O2

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

HScode:

29332990

Categories:

Amino Acids and Proteins

Characteristics

PSA:

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

Collision Cross Section:

131.9 Å² [M+H]+ [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|132.41 Å² [M+H]+ [CCS Type: DT, Method: stepped-field]|131.47 Å² [M-H]- [CCS Type: DT, Method: stepped-field]|127 Å² [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine]|131.7 Å² [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|132.1 Å² [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|134.6 Å² [M+Na]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|134.8 Å² [M+Na]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|128.1 Å² [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|128.5 Å² [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|130.01 Å² [M-H]- [CCS Type: DT, Method: stepped-field]|132.74 Å² [M+H]+ [CCS Type: DT, Method: stepped-field]|135.48 Å² [M+Na]+ [CCS Type: DT, Method: stepped-field]|128.9 Å² [M-H]-

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/

See More L-Histidine Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
Storage	none
Disposal	none

Other hazards which do not result in classification

no data available

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

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More L-Histidine Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
Food additives,Pharmaceutical raw materials,Chemicals,Comestic raw materials

Location:
Room 501, Unit 6, No. 40, hushan road,Licang,Qingdao

Payment Terms:
TT against copy of documents,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
10

Total Annual Revenue:
$1 million-$2.5 million

Total Employees:
11-50

Year of Establishment:
2017

QINGDAO EASTCHEMSORCES TRADE LIMITED is a leading Manufactory supplier of Sorbitol, Citric acid, Sodium hypochlorite based in Qingdao, Shandong, China. With a commitment to quality and customer satisfaction, QINGDAO EASTCHEMSORCES TRADE LIMITED has become a trusted name in the industry. Our product line includes a range of high-quality Sorbitol, Citric acid, Sodium hypochlorite, which are available at competitive prices. QINGDAO EASTCHEMSORCES TRADE LIMITED has established itself as a reliable supplier of chemical products on the echemi.com.

Inquiry History

8 Inquiries

Country	Product	Purchase Quantity	Date Posted
Egypt	L- Histidine	1.00 KG	Apr 29, 2026
India	L-Histidine	1 MT	Apr 23, 2025
India	L-Histidine	1 G	Jan 14, 2026
Slovenia	L-HISTIDINE	400 KG	Jan 9, 2026
Greece	HISTIDINE (His, H)	700.00 KG	Sep 24, 2025
Egypt	L-Histidine	250 KG	Apr 22, 2024
Egypt	carbo cysteine	100.00 KG	Jun 22, 2026
Bangladesh	Butyl Acetate	1.00 KG	Nov 11, 2025

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L - Histidine

Product Description

Seller Information