L-Asparagine

L-asparagine
Changzhou Weiqiang Chemical Co., Ltd

Product Description

CAS Number : 5794-13-8

Beilstein RegistryNumber:1723527

EINECS:200-735-9

Synonyms:(S)-(+)-2-Aminosuccinamicacid, (S)-2-Aminosuccinic acid 4-amide, L-Aspartic acid 4-amide

Formula: NH2COCH2CH(NH2)COOH·H2O

Molecular Weight: 150.14

Description: A white tooff-whitepowder that is soluble in water (2.1g/100ml), andinsoluble inalcohol. A 10 mg/ml solution has a pH between 4.0 to5.5

Melting point: 233 to 235 ° C

Packaging: 25 kg cardboard drumswithtwo PE liner bags or as otherwise agreed upon.

Shipping & Storage: Lowhumidityconditions are recommended to minimizecaking/degradationpotentials.Keep container tightly closed andinner bagsealed.Stored in a dry ambient environment.

Shelf Life: The shelf life ofthismaterial is 4 years from the date of manufacture if storedinambient room temperature conditions. Product should bereuatedif it exceeds expiration date.

Risk Phrases: not applicable

Safety Phrases: S22-24/25Avoidcontact with skin and eyes

Use:Food rawmaterial.Intermediate.Nutraceuticals.Pharmceuticals.

Specifications: ConformwithUSP/NF, FCC, EP, AJI , CPetc.

Main items

Appearance White crystalline powder

Assay 98.0 ~ 101.5%

Loss on drying 11.5~12.5%

Other amino acid Conform

Specific Rotation [α]D20+34.3~36.51º(monohydrate)(C=5, in 5 N HCl)

Contact Information

  • Contact Person Minjie Fan   (Sales)
  • Company:  Changzhou Weiqiang Chemical Co., Ltd
  • Address: Wujin Zouqu Anji, Changzhou, Jiangsu, China
  • Zip/Postal: 213144
  • Telephone: 86-51983630786

Company Profile

  • Changzhou Weiqiang Chemical Co., Ltd
  • [ China ]
  • Changzhou Weiqiang Chemical Co. Ltd. (formerly named Wujin Zouqu Chemical Plant) was established in 1989 focusing on the R&D and production of fine chemicals, pharmaceutical intermediates, API and amino acids. Our company is situated in the west suburb of Changzhou city which is very conveniently accessible by road, water and air. China National Way No. 312 is to the south. Shanghai-Nanjing Hig...

Basic Information

  • Business Type: Manufacturing
  • Company Products / Services: d-asparagine, l-asparagine, dl-asparagine, etc.
  • Year Established: 1889
  • Number of Employees: 51-100
  • Website: www.zqchem.com
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