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

Chemical Property:

Cov mis mos molecular C6H12N2O4S2

Molar pawg 240.3

Qhov ceev 1.358 (kwv yees)

Melting Point 265 ° C (dec.) (lit.)

Boling Point 468.2 ± 45.0 ° C (Predicted)

Kev sib hloov tshwj xeeb (α) 214 º (c = 1, 1 N HCl)

Flash Point 237 ° C

Solubility dej 0.057 g / L (25 ºC)

Solubility Aqueous Acid (me ntsis), Aqueous Base (me ntsis)

Vapor Presure 4.62E-10mmHg ntawm 25 ° C

Xa email rau peb

Product Detail

Khoom cim npe

Daim ntawv thov

Tseem ceeb tshuaj intermediates, kev npaj ntawm compound amino acid qhov ncauj npaj los yog infusion, dyeing agents, tshuaj pleev ib ce, mis nyuj additives, roj antioxidants, thiab lwm yam. Kuj tseem siv nyob rau hauv hnyav hlau antidote, kab mob siab thiab lwm yam tshuaj.Nws muaj peev xwm los txhawb lub redox ntawm lub cev hlwb, nce cov qe ntshav dawb los tiv thaiv kev loj hlob ntawm cov kab mob pathogenic, txo cov kab mob leukemia, kab mob plawv, tiv thaiv cov rog rog cirrhosis, txhawb cov plaub hau kev loj hlob thiab tiv thaiv kev laus ntawm daim tawv nqaij, tab sis kuj typhoid dysentery, mob khaub thuas. , thiab lwm yam., hawb pob, neuralgia, eczema thiab ntau yam kab mob lom.

Specification

Pom zoo Crystalline hmoov
Xim Dawb
Merck 14, 2782
TIAB SA 1728093
pKa 1.70 ± 0.10 (Predicted)
Cia txias Cia nyob rau hauv qhov chaw tsaus, inert cua, chav tsev kub
Refractive Index 1.6000 (kwv yees)
MDL MFCD00002610

Kev nyab xeeb

Risk Codes R36/37/38 - Irritating rau qhov muag, ua pa thiab tawv nqaij.
R22 - Ua phem yog tias nqos
Safety Description S22 - Tsis txhob ua pa plua plav.
S24/25 - Tsis txhob sib cuag nrog daim tawv nqaij thiab qhov muag.
S37/39 - Hnav cov hnab looj tes tsim nyog thiab tiv thaiv qhov muag / ntsej muag
S26 - Nyob rau hauv rooj plaub ntawm qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob.
S36 - Hnav khaub ncaws tiv thaiv zoo.
WGK Germany 3
HS Code 29309013