CAS 52-90-4 L-Cysteine White Solid Industrial Fine Chemicals

Name: CAS 52-90-4 L-Cysteine White Solid Industrial Fine Chemicals
Brand: Hunan Yunbang Biotech Inc.
SKU: YB311
Availability: InStock

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CAS 52-90-4 L-Cysteine White Solid Industrial Fine Chemicals

Large Image : CAS 52-90-4 L-Cysteine White Solid Industrial Fine Chemicals

Product Details:

Place of Origin:	China
Brand Name:	yunbangpharm
Certification:	ISO9001/SGS
Model Number:	YB311

Payment & Shipping Terms:

Minimum Order Quantity:	To Be Negotiated
Price:	To Be Negotiated
Packaging Details:	1kg 5kg 25kg
Delivery Time:	3-7Working Days
Payment Terms:	L/C,D/A,D/P,T/T,Western Union,MoneyGram

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CAS 52-90-4 L-Cysteine White Solid Industrial Fine Chemicals

Description

Product Name:	L-Cysteine	CAS:	52-90-4
Form:	Solid	Color:	White
Storage Temp.:	Store Below +30°C.	EINECS:	200-158-2
PH:	4.5-5.5 (100g/l, H2O, 20℃)
Highlight:	L-Cysteine industrial fine chemical , CAS 52-90-4 white solid , L-Cysteine with warranty

L-Cysteine CAS 52-90-4

L-Cysteine Basic information

Product Name:	L-Cysteine
Synonyms:	(R)-2-Amino-3-mercaptopropanoic acid;3-mercapto-l-alanin;alpha-amino-beta-mercaptopropionicacid;alpha-Amino-beta-thiolpropionic acid;alpha-amino-beta-thiolpropionicacid;Cystein;half-cysteine;L-Cysteine - animal origin
CAS:	52-90-4
MF:	C3H7NO2S
MW:	121.16
EINECS:	200-158-2
Product Categories:	Amino Acids;API intermediates;Cysteine [Cys, C];Amino Acids;Amino Acids and Derivatives;alpha-Amino Acids;Antioxidant;Biochemistry;Nutritional Supplements;L-Amino Acids;amino;52-90-4
Mol File:	52-90-4.mol

L-Cysteine Chemical Properties

Melting point	240 °C (dec.) (lit.)
alpha	8.75 º (c=12, 2N HCl)
Boiling point	293.9±35.0 °C(Predicted)
density	1.197 (estimate)
bulk density	300kg/m3
FEMA	3263 \| L-CYSTEINE
refractive index	8.8 ° (C=8, 1mol/L HCl)
storage temp.	Store below +30°C.
solubility	H₂O: 25 mg/mL
pka	1.92(at 25℃)
form	Solid
color	White
PH	4.5-5.5 (100g/l, H2O, 20℃)
Odor	sulfury
Odor Type	sulfurous
Optical Rotation	Optical rotation: +8° to +9° (c = 5, 1 N HCl, 20°C).
biological source	non-animal source
Water Solubility	280 g/L (25 ºC)
Sensitive	Air Sensitive
λmax	λ: 260 nm Amax: 1.5 λ: 280 nm Amax: 0.2
JECFA Number	1419
BRN	1721408
Stability:	Stability Stable, but may be air sensitive. Incompatible with oxidizing agents, bases.
LogP	-2.49
CAS DataBase Reference	52-90-4(CAS DataBase Reference)
NIST Chemistry Reference	L-Cysteine(52-90-4)
EPA Substance Registry System	L-Cysteine (52-90-4)

Safety Information

Hazard Codes	Xn,Xi
Risk Statements	22-36/37/38-20/21/22
Safety Statements	36-37/39-26-24/25
WGK Germany	3
RTECS	HA1600000
F	10-23
Autoignition Temperature	420 °C
TSCA	Yes
HS Code	29309012
Hazardous Substances Data	52-90-4(Hazardous Substances Data)
Toxicity	LD50 orally in Rabbit: 1890 mg/kg

CAS 52-90-4 L-Cysteine White Solid Industrial Fine Chemicals 1

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Contact Details

Hunan Yunbang Biotech Inc.

Contact Person: Maggie Ma

Tel: +0086 188 7414 9531

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CAS 52-90-4 L-Cysteine White Solid Industrial Fine Chemicals

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CAS 52-90-4 L-Cysteine White Solid Industrial Fine Chemicals

CAS 52-90-4 L-Cysteine White Solid Industrial Fine Chemicals

L-Cysteine industrial fine chemical

CAS 52-90-4 white solid

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