trimethyl-2-thiourea

Description

trimethyl-2-thiourea · CAS 2489-77-2 · C4H10N2S. UNII 5MHD6IL0A4. Melting Point: 189 to 190 °F (NTP, 1992); Melting Point: 87-88 °C; Solubility: 0.1 to 1.0 mg/mL at 68 °F (NTP, 1992).

Identification

CAS Registry Number	2489-77-2
PubChem CID	2779938
Molecular formula	C4H10N2S
IUPAC name	1,1,3-trimethylthiourea
UNII (FDA)	5MHD6IL0A4

Computed Descriptors

Molecular Weight	118.20
XLogP3	0.1
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	0
Exact Mass	118.05646950
Monoisotopic Mass	118.05646950
Topological Polar Surface Area	47.4
Heavy Atom Count	7
Formal Charge	0

Physical & Chemical Properties

Melting Point	189 to 190 °F (NTP, 1992)
Melting Point	87-88 °C
Solubility	0.1 to 1.0 mg/mL at 68 °F (NTP, 1992)
Vapor Pressure	3.0 [mmHg]
LogP	0.1

Physical description & handling notes

• Prisms (from benzene or ligroin) or off-white powder. (NTP, 1992)
• Solid; [HSDB] Off-white crystals; [Maybridge MSDS]
• PRISMS FROM LIQUID BENZENE
• VERY SOL IN WATER, ALCOHOL, SOL IN BENZENE, CHLOROFORM

Regulatory Status

GHS notification summary	5.3% (1 / 19)

GHS Hazard Classification

GHS notification summary	5.3% (1 / 19)
Reported hazard statements	H302 (94.7%), H351, H317

Documented Uses

• Used as a curing agent for chloroprene/neoprene rubbers and epichlorohydrin elastomers; [HSDB]
• RUBBER PROCESSING ACCELERATOR FOR CHLOROPRENE RUBBERS
• CURING AGENT FOR EPICHLOROHYDRIN ELASTOMERS
• Fast-curing accelerator for neoprene; gives low compression set.
• (1977) PROBABLY GREATER THAN 4.54X10+5 GRAMS
• Thiourea, N,N,N'-trimethyl-: ACTIVE

Synonyms

TRIMETHYLTHIOUREA; 2489-77-2; Thiourea, trimethyl-; 1,1,3-Trimethyl-2-thiourea; Thiourea, N,N,N'-trimethyl-; Trimethyl-2-thiourea; CCRIS 611; NSC 153385; DTXSID6021404; HSDB 4095; UNII-5MHD6IL0A4; EINECS 219-644-0; 5MHD6IL0A4; AI3-62303; NSC-153385; DTXCID501404

Frequently Asked Questions

What are the CAS number and molecular formula of trimethyl-2-thiourea?

CAS 2489-77-2; molecular formula C4H10N2S; molecular weight — g/mol.

What other names is trimethyl-2-thiourea known by?

TRIMETHYLTHIOUREA, 2489-77-2, Thiourea, trimethyl-, 1,1,3-Trimethyl-2-thiourea, Thiourea, N,N,N'-trimethyl-, Trimethyl-2-thiourea.

Is trimethyl-2-thiourea classified as hazardous?

5.3% of GHS notifications report no hazard classification (1 of 19).

What are the key physical properties of trimethyl-2-thiourea?

Melting Point: 189 to 190 °F (NTP, 1992); Melting Point: 87-88 °C; Solubility: 0.1 to 1.0 mg/mL at 68 °F (NTP, 1992); Vapor Pressure: 3.0 [mmHg].

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.