DL-Cystine , 98% , 923-32-0

Synonym(s):
(R,R)-3,3′-Dithiobis(2-aminopropionicacid);(±)-3,3′-Dithiobis(2-aminopropionicacid);L-Cystine

CAS NO.：923-32-0

Empirical Formula: C6H12N2O4S2

Molecular Weight: 240.3

MDL number: MFCD00084652

EINECS: 213-094-5

PRODUCT Properties

• Melting point: 227 °C (dec.)(lit.)
• Boiling point: 468.2±45.0 °C(Predicted)
• Density: 1.358 (estimate)
• refractive index: 1.6000 (estimate)
• storage temp.: Keep in dark place,Inert atmosphere,Room temperature
• solubility: 1 M HCl: soluble
• form: Powder
• pka: 2.1(at 35℃)
• color: White
• Water Solubility: Soluble in dilute acid and alkali solution, highly soluble in water, not soluble in alcohol.
• Merck: 14,2782
• BRN: 1728095
• LogP: -4.340 (est)
• CAS DataBase Reference: 923-32-0(CAS DataBase Reference)
• NIST Chemistry Reference: Dl-cystine(923-32-0)

Description and Uses

Cystine is a nonessential amino acid that acts as a nutrient and dietary supplement. It is very slightly soluble in water and in alcohol. it improves the biological quality of the total protein in foods containing naturally occurring intact protein.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H302-H315-H319-H335
• Precautionary statements: P261-P264b-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P330-P362+P364-P403+P233-P501c
• Hazard Codes: Xn,Xi
• Risk Statements: 36/37/38-22
• Safety Statements: 37/39-26-24/25-36
• WGK Germany: 3
• HS Code: 29309014