D-Cystine (CAS# 349-46-2)

Chemical Property:

Molecular Formula C6H12N2O4S2

Molar Mass 240.3

Density 1.358 (estimate)

Melting Point 265 °C (dec.) (lit.)

Boling Point 468.2±45.0 °C(Predicted)

Specific Rotation(α) 214 º (c=1, 1 N HCl)

Flash Point 237°C

Water Solubility 0.057 g/L (25 ºC)

Solubility Aqueous Acid (Slightly), Aqueous Base (Slightly)

Vapor Presure 4.62E-10mmHg at 25°C

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Product Detail

Product Tags

Application

Important pharmaceutical intermediates, preparation of compound amino acid oral preparations or infusion, dyeing agents, cosmetics, dairy additives, grease antioxidants, etc. Also used in heavy metal antidote, hepatitis and other drugs. It has the ability to promote the redox of body cells, increase white blood cells to prevent the development of pathogenic bacteria, reduce leukemia, coronary heart disease, prevent fatty liver cirrhosis, promote hair growth and prevent skin aging, but also typhoid dysentery, influenza, etc., asthma, neuralgia, eczema and Various poisoning diseases.

Specification

Appearance Fine Crystalline Powder
Color White
Merck 14,2782
BRN 1728093
pKa 1.70±0.10(Predicted)
Storage Condition Keep in dark place,Inert atmosphere,Room temperature
Refractive Index 1.6000 (estimate)
MDL MFCD00002610

Safety

Risk Codes R36/37/38 - Irritating to eyes, respiratory system and skin.
R22 - Harmful if swallowed
Safety Description S22 - Do not breathe dust.
S24/25 - Avoid contact with skin and eyes.
S37/39 - Wear suitable gloves and eye/face protection
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
WGK Germany 3
HS Code 29309013