[1,2,4]Triazolo[1,5-a]pyrimidin-5(1H)-one,7-amino-

Modify Date: 2025-08-25 10:22:25

[1,2,4]Triazolo[1,5-a]pyrimidin-5(1H)-one,7-amino- structure	Common Name	[1,2,4]Triazolo[1,5-a]pyrimidin-5(1H)-one,7-amino-
	CAS Number	35186-69-7	Molecular Weight	151.12600
	Density	2.01g/cm3	Boiling Point	270.4ºC at 760 mmHg
	Molecular Formula	C₅H₅N₅O	Melting Point	N/A
	MSDS	N/A	Flash Point	117.4ºC

Name	7-amino-1H-[1,2,4]triazolo[1,5-a]pyrimidin-5-one
Synonym	More Synonyms

Density	2.01g/cm3
Boiling Point	270.4ºC at 760 mmHg
Molecular Formula	C₅H₅N₅O
Molecular Weight	151.12600
Flash Point	117.4ºC
Exact Mass	151.04900
PSA	89.07000
Index of Refraction	1.957

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XZ6156500

CHEMICAL NAME :: s-Triazolo(1,5-a)pyrimidin-5(4H)-one, 7-amino-

CAS REGISTRY NUMBER :: 35186-69-7

LAST UPDATED :: 197901

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C5-H5-N5-O

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 180 mg/kg

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

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#04058

HS Code	2933990090

Amitrole

CAS#:61-82-5

1H-Pyrazole-1-p...

CAS#:36140-83-7

~63%

[1,2,4]Triazolo...

CAS#:35186-69-7

Literature: Rady, Eman A. El Heterocyclic Communications, 2012 , vol. 18, # 4 p. 215 - 221

Precursor 2
CAS#:61-82-5 Amitrole CAS#:36140-83-7 1H-Pyrazole-1-p...
DownStream 0

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

7-Amino-4H-<1,2,4>triazolo<1,5-a>pyrimidin-5-on

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 7-amino[1,2,4]triazolo[1,5-a]pyrimidin-5-ol
Price: Check
Purity: 95.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: [1,2,4]Triazolo[1,5-a]pyrimidin-5(1H)-one,7-amino-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

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[1,2,4]Triazolo[1,5-a]pyrimidin-5(1H)-one,7-amino-

Names

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.