Molecular Formula | C2H7NS |
Molar Mass | 77.15 |
Density | 0.934 (estimate) |
Melting Point | 95°C |
Boling Point | 130 °C |
Water Solubility | Soluble in water |
Solubility | Soluble in water (Miscible), methanol, ether (Very slightly), alcohol, and alkaline media |
Appearance | White crystal |
Color | White to slightly yellow |
Merck | 14,2779 |
BRN | 635649 |
pKa | 8.35(at 25℃) |
Storage Condition | 2-8°C |
Stability | Stable, but may be air-sensitive. Incompatible with strong oxidizing agents. |
Sensitive | Easy to absorb moisture and `sensitive` to carbon dioxide |
Refractive Index | 1.5300 (estimate) |
MDL | MFCD00008196 |
Physical and Chemical Properties | White crystals. Melting point 99-100 °c. Soluble in water and alcohol, alkaline reaction, easy oxidation into disulfide in the air. The free base is extremely unstable and is generally made into hydrochloride [156-57-0]. |
Use | Used as a Biochemical reagent |
Hazard Symbols | Xn - Harmful |
Risk Codes | R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin. |
Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
UN IDs | 3259 |
WGK Germany | 3 |
RTECS | KJ0175000 |
FLUKA BRAND F CODES | 1-3-10-13-34 |
HS Code | 29309090 |
Toxicity | LD50 in mice (mg/kg): 625 orally; 250 i.p. (Klayman); (Srivastava, Field) |
Reference Show more | 1. Zhao Dan, Wei Chunjin, Zeng Mei, Wang Fen. Determination of N-acetyl-L-cysteine by fluorescence quenching-recovery method based on CdTe quantum dots [J]. Journal of South-Central University for Nationalities (Natural Science Edition),2017,36(04):17-21. 2. Xiaowei Mu, Minxing Wu, Bo Zhang, Xin Liu, Shaomei Xu, Yibing Huang, Xinghua Wang, Daqian Song, Pinyi Ma, Ying Sun,A sensitive "off-on" carbon dots-Ag nanoarticles spiral probe for cysteine detection via the inner filter effect,Talanta,Volume 22 3. [IF = 9.594] Fang Gao et al."Rational design of high quality citric acid-derived carbon dots by selecting efficient chemical structure motifs."Carbon. 2017 Feb;112:131 4. [IF=4.546] Mina Nan et al."Rapid Determination of Ochratoxin A in Grape and Its Commodities Based on a Label-Free Impedimetric Aptasensor Constructed by Layer-by-Layer Self-Assembly."Toxins. 2019 Feb;11(2):71 5. [IF=6.057] Xiaowei Mu et al."A sensitive “off-on” carbon dots-Ag nanoparticles fluorescent probe for cysteamine detection via the inner filter effect."Talanta. 2021 Jan;221:121463 6. [IF=4.015] Hao Yu et al."Effects of low-molecular-weight organic acids/thiols on hydroxyl radical production from natural siderite oxidation."Chem Geol. 2021 Dec;584:120537 7. [IF=3.807] Mengke Yu et al."Gold nanostructure-programmed flexible electrochemical biosensor for detection of glucose and lactate in sweat."J Electroanal Chem. 2021 Feb;882:115029 |