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| CAS No.: | 2799-07-7 |
|---|---|
| Name: | S-Trityl-L-cysteine |
| Article Data: | 27 |
| Molecular Structure: | |
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|
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| Formula: | C22H21NO2S |
| Molecular Weight: | 363.48 |
| Synonyms: | Alanine,3-(tritylthio)-, L- (8CI);(2R)-2-Amino-3-[(triphenylmethyl)thio]propanoicacid;3-Tritylthio-L-alanine;NSC 83265;S-Triphenylmethyl-L-cysteine;S-Trityl-(R)-cysteine;S-Tritylcysteine;Tritylthioalanine;H-Cys(Trt)-OH; |
| EINECS: | 218-195-8 |
| Density: | 1.232 g/cm3 |
| Melting Point: | 182-183 °C (dec.)(lit.) |
| Boiling Point: | 524.7 °C at 760 mmHg |
| Flash Point: | 271.2 °C |
| Appearance: | almost white to light yellow granular powder |
| Hazard Symbols: |
 Xn
|
| Risk Codes: | 22 |
| Safety: | 22-24/25 |
| PSA: | 88.62000 |
| LogP: | 4.82390 |
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Chemistry
The Molecular formula of 3-TRITYLTHIO-l-ALANINE (2799-07-7):C22H21NO2S
The Molecular Weight of 3-TRITYLTHIO-l-ALANINE (2799-07-7):363.47
The Molecular Structure of 3-TRITYLTHIO-l-ALANINE(2799-07-7) is:.gif)
Density:1.232 g/cm3
Melting point:182-183 °C (dec.)(lit.)
Boiling point:524.7 °C at 760 mmHg
Flash point:271.2 °C
refractive index:111 ° (C=0.8, 0.04mol Ethanolic HCl)
storage temp:-20°C
BRN:2339626
Index of Refraction:1.641
Molar Refractivity:106.49 cm3
Molar Volume:294.9 cm3
Polarizability:42.21 10-24cm3
Surface Tension:54.8 dyne/cm
Enthalpy of Vaporization:84.08 kJ/mol
Vapour Pressure:7.71E-12 mmHg at 25°C
Appearance:almost white to light yellow granular powder
IUPAC Name: 2-amino-3-tritylsulfanylpropanoic acid
Synonyms: 3-tritylthio-l-alanine ; s-(triphenylmethyl)-l-cystein ; H-CYS(TRT)-OH ; CYSTEINE(TRT)-OH ; EG5 INHIBITOR II ; NSC 83265 ; S-(TRIPHENYLMETHYL)-L-CYSTEINE ; 3-(tritylthio)-l-alanin
Toxicity Data With Reference
| 1. | orl-mus LD50:936 mg/kg | NCISP* National Cancer Institute Screening Program Data Summary, Developmental Therapeutics Program, Bethesda, MD 20205 JAN86 . | ||
| 2. | ipr-mus LD50:396 mg/kg | NCISP* National Cancer Institute Screening Program Data Summary, Developmental Therapeutics Program, Bethesda, MD 20205 JAN86 . | ||
| 3. | orl-dog LDLo:750 mg/kg | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) PB81-109993 . | ||
| 4. | ivn-dog LDLo:150 mg/kg | NTIS** National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) PB81-109993 . |
Safety Profile
Poison by intravenous and intraperitoneal routes. Moderately toxic by ingestion. When heated to decomposition it emits toxic fumes of NOx and SOx.
Hazard Codes:Xn:.gif){kind=small}
Risk Statements
R22:Harmful if swallowed.
Safety Statements
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
WGK Germany:3
RTECS:AY7710000
Specification
Incompatibilities with Other Materials Strong oxidizing agents.
Hazardous Decomposition Products Carbon monoxide, oxides of nitrogen, oxides of sulfur, carbon dioxide.
Hazardous Polymerization Has not been reported.