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Tetramethylthiourea

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Origin: China

Cas No: 2782-91-4

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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CAS No.: 2782-91-4 Formula: C5H12N2S Molecular Weight: 132.22700

Basic Info

Chemical Name	Tetramethylthiourea
Synonyms	1,1,3,3-Tetramethyl-2-Thiourea; N,n,n',n'-tetramethylthiourea; Urea,thio-,tetramethyl; N,N,N',N'-tetramethyl-2-thiourea; TMTU; NA-101; TetraMethylthiourea; tetramethyl-thioure; Basthioryl; tetramethyl thiourea; Thiourea, tetramethyl-; Thiourea,tetramethyl; Tetramethyl-2-thiourea; 1,1,3,3-TETRAMETHYLTHIOUREA;
CAS No.	2782-91-4
Molecular Formula	C5H12N2S
Molecular Weight	132.22700
PSA	38.57000
LogP	0.39450

Properties

Appearance & Physical State	white to light yellow
Boiling Point	245ºC
Melting Point	74-77ºC
Flash Point	190ºC
Refractive Index	1.523
Water Solubility	32 g/L (20 ºC)
Stability	Stable under normal temperatures and pressures.
Storage Condition	Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Vapor Pressure	0.0294mmHg at 25°C

Safety Info

RTECS	YU2750000
Safety Statements	S22-S24/25
HS Code	29309070
WGK Germany	3
Risk Statements	R22
Hazard Codes	Xn
Signal Word	Warning
Symbol	GHS07
Hazard Declaration	H302

Synthesis Route

thiram→Tetramethylthiourea+Bis(Dimethylthiocarbamoyl) Sulfide
carbon disulfide+[2-(Bis-dimethylamino-methyl-silanyl)-benzyl]-dimethyl-amine→Tetramethylthiourea+2-(methylaminomethyl)phenylmethylsilathione
thiourea+iodomethane→Tetramethylthiourea

GC Analysis

Column type	Active phase	Temperature (°C)	Retention Index (I)	Temperature Control Method
Capillary	PEG-20M	-	1872.	temperature ramp

Toxicity

Exposure Route	Type of Test	Species Observed	Dose/Duration	Toxic Effects
Oral	LD50 - Lethal dose, 50 percent kill	Rodent - rat	920 mg/kg	1.Details of toxic effects not reported other than lethal dose value
Oral	LDLo - Lowest published lethal dose	Rodent - mouse	500 mg/kg	1.Details of toxic effects not reported other than lethal dose value
Unreported	LD50 - Lethal dose, 50 percent kill	Mammal - species unspecified	400 mg/kg	1.Details of toxic effects not reported other than lethal dose value