CAS No.52-66-4,DL-PENICILLAMINE Suppliers

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Basic Information

Molecular Structure:
CAS No.:	52-66-4
Name:	DL-PENICILLAMINE
Article Data:	21

Formula:	C5H11 N O2 S
Molecular Weight:	149.214
Synonyms:	DL-Valine,3-mercapto-; Valine, 3-mercapto-, DL- (8CI); (?à)-Penicillamine; 2-Amino-3-mercapto-3-methylbutyricacid; Cysteine, 3,3-dimethyl-; DL-3-Mercaptovaline; DL-Penicillamine; DL-b-Mercaptovaline; DMC; NSC 22880;NSC 44656; b,b-Dimethylcysteine; b-Mercaptovaline; b-Thiovaline
Density:	1.204g/cm³
Melting Point:	204-208 °C(lit.)
Boiling Point:	251.8°Cat760mmHg
Flash Point:	106.1°C
Solubility:	Soluble in ethanol, hot water and sodium hydroxide.
Hazard Symbols:	Xn
Risk Codes:	R22;
Safety:	Poison by ingestion and intraperitoneal routes. Mutation data reported. When heated to decomposition it emits toxic fumes of SO_x and NO_x.
PSA:	102.12000
LogP:	0.80700

Synthetic route

: 59-53-0
NAP

: 52-66-4
DL-Penicillamin

Conditions

Conditions	Yield
With hydrogenchloride

: 507-09-5
thioacetic acid

: 6642-21-3
2-acetylamino-3-methyl-crotonic acid

: 52-66-4
DL-Penicillamin

Conditions

Conditions	Yield
Behandeln des Reaktionsprodukts mit Essigsaeure und wss.HCl;

: 71-47-6
formate

: 15784-30-2
2-amino-2-carboxy-1,1-dimethyl-ethylsulfanyl

A: 52-66-4
DL-Penicillamin

B: 14485-07-5
formate radical

Conditions

Conditions	Yield
In various solvent(s) at 23℃; Equilibrium constant; pH 6;

...Expand

: 15784-30-2
2-amino-2-carboxy-1,1-dimethyl-ethylsulfanyl

: 3483-12-3, 6892-68-8, 7634-42-6, 16096-97-2, 27565-41-9, 35454-97-8
D,L-dithiothreitol

A: 52-66-4
DL-Penicillamin

: C4H10O2S2(2-)

Conditions

Conditions	Yield
In water at 23℃; Thermodynamic data; pH=6.0; phosphate buffer; ΔGo;

...Expand

: 113-98-4
Penicillin G potassium

: 52-66-4
DL-Penicillamin

Conditions

Conditions	Yield
In acetonitrile at 37℃; for 72h; Mechanism; Rate constant; pH=2.5;

: C51H76N16O14S3

: C51H76N16O14S3

A: 52-66-4
DL-Penicillamin

B: 113-79-1, 5591-81-1, 66513-06-2, 66513-07-3, 76023-59-1, 89576-32-9
Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Arg-Gly-NH2

Conditions

Conditions	Yield
In water at 25℃; for 5h; Rate constant; Equilibrium constant; pH 7.0;

...Expand

: C48H77N13O14S3

: C48H77N13O14S3

A: 52-66-4
DL-Penicillamin

B: 50-56-6
oxytocin

Conditions

Conditions	Yield
In water at 25℃; for 5h; Rate constant; Equilibrium constant; pH 7.0;

...Expand

(+-)-2.5.5-trimethyl-Δ2-thiazoline-carboxylic acid-(4)-ethyl ester: (+-)-2.5.5-trimethyl-Δ2-thiazoline-carboxylic acid-(4)-ethyl ester

: 52-66-4
DL-Penicillamin

Conditions

Conditions	Yield
With hydrogen bromide
With hydrogenchloride

2-thioxo-5.5-dimethyl-thiazolidine-carboxylic acid-(4): 2-thioxo-5.5-dimethyl-thiazolidine-carboxylic acid-(4)

: 52-66-4
DL-Penicillamin

Conditions

Conditions	Yield
With hydrogenchloride; aluminium

S-benzyl-penicillamine: S-benzyl-penicillamine

: 52-66-4
DL-Penicillamin

Conditions

Conditions	Yield
With ammonia; sodium
With hydrogen bromide

Total:94 Page 1 of 3 1 2 3 Next>>

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Chemistry

IUPAC Name: 2-Amino-3-methyl-3-sulfanylbutanoic acid
The MF of Dl-penicillamine (CAS NO.52-66-4) is C₅H₁₁NO₂S.

The MW of Dl-penicillamine (CAS NO.52-66-4) is 149.21.
Synonyms of Dl-penicillamine (CAS NO.52-66-4): (2S)-2-Amino-3-methyl-3-sulfanylbutansaure ; 3-Sulfanyl-D-valine ; b,b-Dimethylcysteine ; b-Thiovaline ; Distamine
Product Categories: Amino Acids;Antibiotics;Analytical Chemistry;Biochemistry;Ligands for Pharmaceutical Research;non-Proteinorganic Amino Acids;Radiopharmaceutical Chemistry
Index of Refraction: 1.527
Appearance: white powder
EINECS: 200-147-2
Density: 1.204 g/ml
Flash Point: 106.1 °C
Boiling Point: 251.8 °C
Melting Point: 4-8 °C
storage temp: 2-8 °C
Merck: 14,7088
BRN: 2039817

Uses

Dl-penicillamine (CAS NO.52-66-4) is used in chemical reagents, organic intermediates, fine chemicals, pharmaceutical research and development.

Toxicity Data With Reference

1.	pic-esc 100 mg/L	APMBAY Applied Microbiology. 12 (1964),234.
2.	orl-rat LD50:365 mg/kg	ARZNAD Arzneimittel-Forschung. Drug Research. 22 (1972),1434.
3.	ipr-mus LD50:358 mg/kg	TOLED5 Toxicology Letters. 26 (1985),95.

Safety Profile

Poison by ingestion and intraperitoneal routes. Mutation data reported. When heated to decomposition it emits toxic fumes of SO_x and NO_x.Safety information of Dl-penicillamine (CAS NO.52-66-4):
Hazard Codes   Harmful Xn
Risk Statements
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
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.
WGK Germany 3
RTECS YV9445000