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| CAS No.: | 1113-41-3 |
|---|---|
| Name: | L-Penicillamine |
| Molecular Structure: | |
|
|
|
| Formula: | C5H11 N O2 S |
| Molecular Weight: | 149.214 |
| Synonyms: | Valine,3-mercapto-, L- (8CI); (+)-Penicillamine; (R)-Penicillamine; L-Penicillamine;NSC 241261 |
| EINECS: | 214-203-9 |
| Density: | 1.204g/cm3 |
| Melting Point: | 206 ºC (dec.) |
| Boiling Point: | 251.8°Cat760mmHg |
| Flash Point: | 106.1°C |
| Hazard Symbols: |
|
| Risk Codes: | R36/37/38 |
| Safety: | A poison by intraperitoneal route. Mutation data reported. When heated to decomposition it emits toxic vapors of NOx and SOx. |
| PSA: | 102.12000 |
| LogP: | 0.80700 |
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- 1113-41-3
L-penicillamine
| Conditions | Yield |
|---|---|
| With triethylamine In ethanol at 20℃; | 95.2% |
- 884311-05-1
N-formyl-L-penicillamine
- 1113-41-3
L-penicillamine
| Conditions | Yield |
|---|---|
| With hydrogenchloride |
| Conditions | Yield |
|---|---|
| With hydrogenchloride |
- 54536-38-8
S-benzyl-L-penicillamine
- 1113-41-3
L-penicillamine
| Conditions | Yield |
|---|---|
| With ammonia; sodium |
- 71-23-8
propan-1-ol
- 58167-41-2
Penicillamine thiyl radical
A
- 1113-41-3
L-penicillamine
B
- 5723-77-3
1-hydroxy-propyl
| Conditions | Yield |
|---|---|
| With perchloric acid In water Rate constant; Ambient temperature; |
- 64-17-5
ethanol
- 58167-41-2
Penicillamine thiyl radical
A
- 2348-46-1
ethanol radical
B
- 1113-41-3
L-penicillamine
| Conditions | Yield |
|---|---|
| With perchloric acid In water Rate constant; Ambient temperature; |
- 107-21-1
ethylene glycol
- 58167-41-2
Penicillamine thiyl radical
A
- 1113-41-3
L-penicillamine
B
- 3250-66-6
1,2-dihydroxy-ethyl
| Conditions | Yield |
|---|---|
| With perchloric acid In water Rate constant; Ambient temperature; |
- 67-63-0
isopropyl alcohol
- 58167-41-2
Penicillamine thiyl radical
A
- 1113-41-3
L-penicillamine
B
- 5131-95-3
2-hydroxy-2-propyl radical
| Conditions | Yield |
|---|---|
| With perchloric acid In water Rate constant; Ambient temperature; |
- 1113-41-3
L-penicillamine
| Conditions | Yield |
|---|---|
| With hydrogenchloride unter CO2; |
| Conditions | Yield |
|---|---|
| In methanol; water Kinetics; |
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Chemistry
Molecular Structure of l-Penicillamine (CAS NO.1113-41-3):
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IUPAC Name: (2R)-2-amino-3-methyl-3-sulfanylbutanoic acid
Empirical Formula: C5H11NO2S
Molecular Weight: 149.2113
Index of Refraction: 1.527
Surface Tension: 48.1 dyne/cm
Density: 1.204 g/cm3
Flash Point: 106.1 °C
Enthalpy of Vaporization: 53.85 kJ/mol
Boiling Point: 251.8 °C at 760 mmHg
Vapour Pressure: 0.00631 mmHg at 25°C
Product Categories:Amino Acids ; Biochemistry ; non-Proteinorganic Amino Acids
Synonyms of l-Penicillamine (CAS NO.1113-41-3): 2-Amino-3-mercapto-3-methylbutanoic acid ; alpha-Amino-beta-methyl-beta-mercaptobutyric acid ; valine, 3-mercapto- ; (+-)-penicillamine ; 3-Mercapto-l-valine ; 3-Thiol-valine ; 3,3-Dimethyl-l-cysteine;L-beta,beta-dimethylcysteine ; L-beta-mercaptovaline ; L-(+)-penicillamine ; L-penicillamine ; L(+)-2-amino-3-mercapto-3-methylbutanoic acid
Toxicity Data With Reference
| 1. | mic-sat 5 µmol/plate | MUREAV Mutation Research. 224 (1989),89. | ||
| 2. | mic-sat 4 µmol/plate | BCPCA6 Biochemical Pharmacology. 34 (1985),3725. | ||
| 3. | mic-esc 250 µLg/plate | MUREAV Mutation Research. 467 (2000),41. | ||
| 4. | ipr-rat LD50:350 mg/kg | PBPSDY Pharmacological and Biochemical Properties of Drug Substances. 2 (1979),465. |
Safety Profile
A poison by intraperitoneal route. Mutation data reported. When heated to decomposition it emits toxic vapors of NOx and SOx.
Hazard Codes: 
Xi,
Xn
Risk Statements :36/37/38-40-20/21/22
R36/37/38:Irritating to eyes, respiratory system and skin.
R40:Limited evidence of a carcinogenic effect.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements :26-36-22
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
S22:Do not breathe dust.