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556-90-1

Basic Information
CAS No.: 556-90-1
Name: Pseudothiohydantoin
Article Data: 65
Molecular Structure:
Molecular Structure of 556-90-1 (Pseudothiohydantoin)
Formula: C3H4 N2 O S
Molecular Weight: 116.144
Synonyms: 2-Thiazolin-4-one,2-amino- (7CI); 4-Thiazolidinone, 2-imino- (8CI); Pseudothiohydantoin (6CI);2-Amino-2-thiazolin-4-one; 2-Amino-4-oxothiazoline; 2-Aminothiazol-4-one;2-Imino-4-thiazolidinone; 2-Imino-4-thiazolidone; NSC 2858; NSC 45956
EINECS: 209-145-6
Density: 1.78 g/cm3
Melting Point: 249 °C (dec.)(lit.)
Boiling Point: 253.5 °C at 760 mmHg
Flash Point: 107.1 °C
Appearance: white to light yellow powder
Hazard Symbols: Xi
Safety: Poison by intraperitoneal and intravenous routes. When heated to decomposition it emits very toxic fumes of NOx and SOx.
PSA: 80.75000
LogP: -0.28960
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    2-AMINO-4,5-DIFLUOROPHENOL

    Min.Order: 10 Gram

    FOB Price:  USD $ 0.0-0.0

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    Tel:+86-13667132959

    Address:Wuhan

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  • Pseudothiohydantoin

  • Casno:

    556-90-1

    Pseudothiohydantoin

    Min.Order: 1 Gram

    FOB Price:  USD $ 0.0-0.0

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  • Pseudothiohydantoin

  • Casno:

    556-90-1

    Pseudothiohydantoin

    Min.Order: 0

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  • 4(5H)-Thiazolone,2-amino-

  • Casno:

    556-90-1

    4(5H)-Thiazolone,2-amino-

    Min.Order: 0

    FOB Price:  USD $ 0.0-0.0

    gold product Application:for lab use

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Chemistry

IUPAC Name: 2-Amino-1,3-thiazol-4-one
Synonyms: 2-Amino-1,3-thiazol-4(5H)-one ; 4(5H)-Thiazolone, 2-amino- ; 2-Amino-2-thiazolin-4-one ; 2-Amino-2-thiazolin-4-one ; 2-Amino-4,5-dihydro-1,3-thiazol-4-one ; 2-Imino-1,3-thiazol-4-one ; 2-Imino-1,3-thiazolidin-4-one ; 2-Imino-4-thiazolidinone ; 2-Imino-4-thiazolidone
Product Categories: Amines;Thiazoles, Isothiazoles &Benzothiazoles;Thiazoles, Isothiazoles & Benzothiazoles;Building Blocks;Heterocyclic Building Blocks;Thiazolines/Thiazolidines
CAS NO: 556-90-1
Molecular Formula: C3H4N2OS
Molecular Weight:116.1417
Molecular Structure:
EINECS: 209-145-6
Mol File: 556-90-1.mol
Index of Refraction: 1.785
Surface Tension: 84.5 dyne/cm
Density: 1.78 g/cm3
Flash Point: 107.1 °C
Melting point: 249 °C (dec.)(lit.)
Enthalpy of Vaporization: 49.09 kJ/mol
Boiling Point: 253.5 °C at 760 mmHg
Vapour Pressure: 0.0182 mmHg at 25°C
Appearance: 4,5-Imidazolidinedithione (CAS NO. 556-90-1) is white to yellowish fine needles or powder.

Uses

 4,5-Imidazolidinedithione (CAS NO. 556-90-1) is used as fine chemicals and pharmaceutical intermediates.

Toxicity Data With Reference

1.    

ipr-mus LD50:100 mg/kg

    NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) AD277-689 .
2.    

ivn-mus LD50:320 mg/kg

    CSLNX*    U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#02090 .

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Poison by intraperitoneal and intravenous routes. When heated to decomposition it emits very toxic fumes of NOx and SOx.
 

Hazard Codes IrritantXi
Safety Statements 24/25
S24/25: When 4,5-Imidazolidinedithione (CAS NO. 556-90-1) is used ,avoid contact with skin and eyes.
WGK Germany 3
RTECS XJ6276000

Specification

General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media: Use agent most appropriate to extinguish fire. 
Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Storage: Store in a cool, dry place. Keep container closed when not in use.