USAF K-1861

Modify Date: 2025-09-05 18:19:03

USAF K-1861 structure	Common Name	USAF K-1861
	CAS Number	18957-54-5	Molecular Weight	238.39200
	Density	1.08g/cm3	Boiling Point	315.8ºC at 760 mmHg
	Molecular Formula	C₁₃H₂₂N₂S	Melting Point	N/A
	MSDS	N/A	Flash Point	144.8ºC

Name	3-cyclohexyl-4,6,6-trimethyl-1H-pyrimidine-2-thione
Synonym	More Synonyms

Density	1.08g/cm3
Boiling Point	315.8ºC at 760 mmHg
Molecular Formula	C₁₃H₂₂N₂S
Molecular Weight	238.39200
Flash Point	144.8ºC
Exact Mass	238.15000
PSA	54.40000
LogP	2.97640
Vapour Pressure	0.000426mmHg at 25°C
Index of Refraction	1.574

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UW1575000

CHEMICAL NAME :: 2(1H)-Pyrimidinethione, 1-cyclohexyl-3,4-dihydro-4,4,6-trimethyl-

CAS REGISTRY NUMBER :: 18957-54-5

BEILSTEIN REFERENCE NO. :: 0171639

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C13-H22-N2-S

MOLECULAR WEIGHT :: 238.43

WISWESSER LINE NOTATION :: T6MYN FHJ BUS C- AL6TJ& D1 F1 F1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689

HS Code	2933599090

Cyclohexylamine

CAS#:108-91-8

4-isothiocyanat...

CAS#:27248-25-5

USAF K-1861

CAS#:18957-54-5

Thiourea, N-cyc...

CAS#:5055-72-1

Literature: Mathes et al. Journal of the American Chemical Society, 1948 , vol. 70, p. 1452 Full Text View citing articles Show Details Goodrich Co. Patent: US2491532 , 1946 ;

Precursor 2
CAS#:108-91-8 Cyclohexylamine CAS#:27248-25-5 4-isothiocyanat...
DownStream 0

HS Code	2933599090
Summary	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

1-(Cyclohexyl)-2-thio-4,4,6-trimethyldihydropyrimidine

1-cyclohexyl-4,4,6-trimethyl-3,4-dihydro-1H-pyrimidine-2-thione

USAF K-1861

2(1H)-Pyrimidinethione,1-cyclohexyl-3,4-dihydro-4,4,6-trimethyl

1-Cyclohexyl-4,4,6-trimethyl-3,4-dihydro-1H-pyrimidin-2-thion

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Dayang Chem (Hangzhou) Co., Ltd.
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Product Name: USAF K-1861
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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Contact: Ms Wang
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Chemical & Physical Properties

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

Synthetic Route

Precursor & DownStream

Customs

Synonyms

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.