L-Cysteine Monohydrochloride (CAS # 52-89-1)

Chemical Property:

Molecular Formula	C3H8ClNO2S
Molar Mass	157.62 ib
Melting Point	180 ° C
Boling Point	305.8 ° C ntawm 760 mmHg
Kev sib hloov tshwj xeeb (α)	5.5 º (c = 8, 6 N HCL)
Flash Point	138.7°C dej
Dej Solubility	SOLUBLE
Solubility	H2O: 1M ntawm 20 ° C, ntshiab, tsis muaj xim
Vapor Siab	0.000183mmHg ntawm 25 ° C
Qhov tshwm sim	Dawb Crystals
Xim	Dawb rau lub teeb xim av
Merck	14 Ib., 2781
BRN	3560277 ib
Kev cia khoom	Inert cua, Chav Kub
Kev ruaj ntseg	Stable, tab sis lub teeb, noo noo thiab huab cua rhiab heev. Incompatible nrog muaj zog oxidizing tus neeg sawv cev, qee cov hlau.
rhiab heev	Hygroscopic
MDL	TIAB SA 00064553
Physical thiab Chemical Properties	Dawb Crystal lossis crystalline hmoov, tsw, acid, soluble hauv dej, ammonia, acetic acid, ethanol-soluble, acetone, ethyl acetate, benzene, carbon disulfide, carbon tetrachloride. Acid stability, thiab nyob rau hauv nruab nrab los yog me ntsis alkaline tov yog ib qho yooj yim rau cua oxidation rau hauv cystine, kab hlau thiab hnyav hlau ions yuav txhawb oxidation. Nws cov hydrochloride ruaj khov dua, yog li nws feem ntau ua rau hydrochloride. L-cysteine yog sulfur-muaj cov amino acid uas tsis tseem ceeb. Nyob rau hauv lub cev muaj sia, hydroxyl oxygen atom ntawm serine yog hloov los ntawm sulfur atom ntawm methionine thiab synthesized ntawm thioether. L-cysteine tuaj yeem tsim glutathione, koom nrog hauv cov txheej txheem txo cov hlwb thiab phospholipid metabolism hauv daim siab, tuaj yeem tiv thaiv daim siab hlwb los ntawm kev puas tsuaj, thiab tuaj yeem ua rau cov hematopoietic muaj nuj nqi, nce cov qe ntshav dawb, txhawb kev kho cov tawv nqaij. Nws mp yog 175 ℃, decomposition kub yog 175 ℃, isoelectric point yog 5.07, [α] 25D-16.5 (H2O), [α] 25D 6.5 (5mol / L, HCl).
Siv	Siv dav hauv tshuaj pleev ib ce, tshuaj, zaub mov thiab lwm yam lag luam

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Product Detail

Khoom cim npe

Hazard Cov Cim	Xi-xaj
Risk Codes	36/37/38 – Khaus qhov muag, ua pa thiab tawv nqaij.
Kev nyab xeeb piav qhia	S26 - Thaum sib cuag nrog lub qhov muag, yaug tam sim ntawd nrog dej txaus thiab nrhiav kev kho mob. S36 - Hnav khaub ncaws tiv thaiv zoo.
WGK Germany	2
RTECS	HA2275000
FLUKA BRAND F CODE	3-10-23 : kuv
TSCA	Yog lawm
HS Code	29309013 ib
Toxicity	LD50 intraperitoneal hauv nas: 1250mg / kg

Taw qhia

Muaj zog acid saj, tsw ntxhiab, tsuas yog taug qab sulfite tsw. Nws yog ib qho amino acid siv los ntawm ntau cov ntaub so ntswg los tiv thaiv cov khoom tsis zoo thiab ua kom muaj zog hauv cov tsiaj thiab nroj tsuag. Nws kuj yog ib qho ntawm ntau tshaj 20 amino acids uas ua rau cov proteins, thiab nws tsuas yog cov amino acid uas muaj zog sulfhydryl (-SH).

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