Samin Chemical Co., Ltd.

L-Cysteine Hydrochloride Monohydrate

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Samin Chemical Co., Ltd.
[Korea]

Address
1-Da-509, Shiwha Industrial Zone, 1251-8, Jungwang-dong Shiheung-si Gyeonggi-do
Phone
82-31-4318054
Contact name
Seong-cheol, Joo

Quick Information

  • Model Number : NO - 01

Description

Features

  • L-Cysteine Hydrochloride Monohydrate
  • (R)-2-Amino-3-mercaptopropionic acid monohydrochloride monohydrate
  • CAS No : 7048-04-6 C 3 H 7 NO 2 S . HCl . H 2 O : 175.64 Nitrogen : 7.97%
  • L-Cysteine Hydrochloride Monohydrate, when dried, contains not less than 98.5 percent and not
    more than 101.0 percent of L-Cysteine Hydrochloride (C 3 H 7 NO 2 S . HCl . H 2 O)

Application

Cosmetic (permanent wave lotion), Food, Medical

Description

White crystals or crystalline powder; strongly acid taste. Very soluble in water.

Identification

Compare the infrared absorption spectrum of the sample with that of the standard by potassium bromide disc method.

Packing

25kg, 50kg fiber drum

Storage

Cool and dark place

Specification ( for food, normal crystal & powder )

Item
Limit

Assay

98.5 to 101.0%

State of solution (Transmittance)

clear and colorless
not less than 98.0%

Specific rotation [ α ]n D 20

+6.1 to +7.8

pH

1.5 to 2.0

Ammonium (NH₄)

not more than 0.02%

Chloride (Cl)

19.89 to 20.29

Sulfate (SO₄)

not more than 0.02%

Arsenic (As₂ O₃)

not more than 1 ppm

Iron (Fe)

not more than 10 ppm

Heavy metals (Pb)

not more than 10 ppm

Other amino acids

conforms

Loss on drying

8.50 to 12.00%

Residue on ignition(sulfated)

not more than 0.10%


Product Image

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