L-半胱氨酸鹽酸鹽-水物 L-cysteine ??hydrochloride-hydrate 7048-04-6

INCI名稱：

L-半胱氨酸 鹽酸鹽 一水合物

英文名稱：

L-Cysteine hydrochloride monohydrate

CAS號(hào)：

7048-04-6

HS編碼

2930909099

化學(xué)式：

C₃H₁₀ClNO₃S

分子量：

175.63

中文別名：

L-半胱氨酸 鹽酸鹽 一水合物;

L-巰基丙氨酸鹽酸鹽一水合物;

L-鹽酸半胱氨酸一水物;

L-半胱氨酸鹽酸鹽,一水;

L-半胱氨酸鹽酸鹽,一水合物;

L-半胱氨酸鹽酸鹽一水合物;

L半胱氨酸 鹽酸鹽一水合物

英文別名：

L-Cysteine hydrochloride monohydrate;

(1R,2S)-2-aMinocyclopentan-1-ol hydrochloride;

D,L-cis-2-Aminocyclopentanol-Hydrochlorid;

L-Cysteinehydrochloridemonohydrate;

L-(+)-cysteine hydrochloride hydrate;

L-cysteine monohydrate hydrochloride;

(1R,2S)-CIS-2-AMINOCYCLOPENTANOL HYDROCHLORIDE;

Trans-(1R,2S)-2-Aminocyclopentanol Hydrochloride;

L-cysteine HCl monohydrate;

L-cysteine monohydrochloride monohydrate;

(+-)-cis-2-amino-cyclopentanol,hydrochloride;

(R)-cysteine hydrochloride monohydrate;

D,L-cysteine hydrochloride monohydrate

L-CYSTEINE HCL MONOHYDRATE

指    標(biāo)

Specification

標(biāo)  準(zhǔn)

Standard

外觀 Appearance

白色或類白色結(jié)晶性粉末White or almost white crystalline powder

溶液外觀

Appearance of the Solution

透明無色至淺黃色Transparent colorless to light yellow

pH值 pH value

1.5~2.0

比旋度 Specification Rotation

+5.5°~+7.0°

干燥失重 Loss on Drying

8.0~12.0%

灼燒殘?jiān)?/span> Residue on Ignition

≤0.1%

氯化物Chloride

19.8~20.8%

硫酸鹽sulfate

≤0.02%

重金屬（鉛） Heavy metal(Lead)

≤10 ppm

銨鹽Ammonium salt

≤0.02%

鐵鹽 Ironic Salt

≤20ppm

砷鹽As

≤1.0%

透光率Light transmittance

≥98.0%

含量 Assay(drying basis)

98.5~101.0%

微生物檢測 Microbial Test

總菌數(shù) Total Aerobic

≤1000cfu/g

霉菌和酵母 Yeast ＆ Mold

≤100cfu/g

大腸桿菌 E.coli

Negative

沙門氏菌 Salmonella

Negative

Package: In 25Kg net per fiber drum, inner polythene bags. We can provide the packing as per your request.