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n-Butyl thiourea

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Name

n-Butyl thiourea

EINECS N/A
CAS No. 1516-32-1 Density 1.028g/cm3
PSA 70.14000 LogP 1.71090
Solubility N/A Melting Point 77-78°C
Formula C5H12 N2 S Boiling Point 202.2°Cat760mmHg
Molecular Weight 132.23 Flash Point 76.1°C
Transport Information N/A Appearance N/A
Safety A poison by intraperitoneal route. When heated to decomposition it emits very toxic fumes of NOx and SOx. Risk Codes 36/37/38
Molecular Structure Molecular Structure of 1516-32-1 (N-BUTYLTHIOUREA) Hazard Symbols R22:Harmful if swallowed.;
Synonyms

Thiourea,butyl- (9CI); Urea, 1-butyl-2-thio- (6CI,7CI,8CI); 1-Butyl-2-thiourea;1-Butylthiourea; Butylthiourea; N-Butylthiourea; NSC 202953

Article Data 25

n-Butyl thiourea Chemical Properties

IUPAC Name: Butylthiourea
Synonyms of n-Butyl thiourea (CAS NO.1516-32-1): 1-Butyl-2-thiourea ; N-Butylthiourea ; Butyl-2-thiourea ; Thiourea, N-butyl- ; Thiourea, butyl- ; Urea, 1-butyl-2-thio-
CAS NO: 1516-32-1
Molecular Formula: C5H12N2S
Molecular Weight : 132.2272
Molecular Structure:
EINECS: 216-165-9
H bond acceptors: 2
H bond donors: 3
Freely Rotating Bonds: 3
Polar Surface Area: 38.57 Å2
Index of Refraction: 1.528
Molar Refractivity: 39.63 cm3
Molar Volume: 128.5 cm3
Surface Tension: 45.9 dyne/cm
Density: 1.028 g/cm3
Flash Point: 76.1 °C
Enthalpy of Vaporization: 43.84 kJ/mol
Boiling Point: 202.2 °C at 760 mmHg
Vapour Pressure: 0.296 mmHg at 25°C
Melting Point: 77-78°C

n-Butyl thiourea Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 300mg/kg (300mg/kg)   National Technical Information Service. Vol. AD277-689,

n-Butyl thiourea Consensus Reports

Reported in EPA TSCA Inventory.

n-Butyl thiourea Safety Profile

Risk Statements: 36/37/38
R36/37/38: N-Butyl thiourea (CAS NO.1516-32-1) is irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: 2811
RTECS: YS4375000
PackingGroup: III

A poison by intraperitoneal route. When N-Butyl thiourea (CAS NO.1516-32-1) is heated to decomposition ,it emits very toxic fumes of NOx and SOx.

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