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HUBEI SGP Group/WUHAN BUYOUR AMINO ACID CO., LTD

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HUBEI SGP Group/WUHAN BUYOUR AMINO ACID CO., LTD
[China]

Address:
Room 1003, Unit 1, Block A, Tongcheng Plaza, No.538 Jianshe Ave., Wuhan, China 430022 Wuhan Hubei 430022 China

Phone:
86-27-85491618

Contact name:
Bruce zhou , Manager

HUBEI SGP Group/WUHAN BUYOUR AMINO ACID CO., LTD

Products

	L-Cysteine HCL Anhydrous

Click to enlarge image

Model Number

SGP-B-02

CAS No.:52-89-1

Structural Formula:C 3 H 7 NO 2 S HCL H 2 O

Molecular weight:175.63

Description:white crystals or crystalline powder, Having a strong acid and sulfite taste without funk.

Packing:25KG/ Paper drum

CERTIFICATE OF ANALYSIS

Product: L- Cysteine HCL Anhydrous CAS No:(52-89-1)

Item

Specification(AJI92)

Result

Specific rotation[a]D20

+5.6 to +8.9°

+6.7°

State of solution ( Transmittance)

Clear and colorless

Not less than 98.0%

99.0%

Chloride(Cl)

22.3 to 22.6%

22.49%

Ammonium(NH4)

≤ 0.02%

≤ 0.02%

Sulfate (SO4)

≤ 0.020%

≤ 0.02%

Iron(Fe)

≤ 10ppm

≤ 5ppm

Heavy metals(Pb)

≤ 10ppm

≤ 5ppm

Arsenic(as As2o3)

≤ 1ppm

≤ 1ppm

other amino acids

Chromatographically

Not detectable

Conforms

Loss on drying

≤ 1.0%

0.5%

Residue on ignition(sulfated)

≤ 0.1%

0.04%

Assay

98% to 102.0%

100.2%

PH

1.5 to 2.0

1.7