dihydralazine

Modify Date: 2025-08-27 09:40:52

dihydralazine structure	Common Name	dihydralazine
	CAS Number	484-23-1	Molecular Weight	190.205
	Density	1.6±0.1 g/cm3	Boiling Point	419.9±28.0 °C at 760 mmHg
	Molecular Formula	C₈H₁₀N₆	Melting Point	180ºC
	MSDS	N/A	Flash Point	207.7±24.0 °C

Name	(4-hydrazinylphthalazin-1-yl)hydrazine
Synonym	More Synonyms

Density	1.6±0.1 g/cm3
Boiling Point	419.9±28.0 °C at 760 mmHg
Melting Point	180ºC
Molecular Formula	C₈H₁₀N₆
Molecular Weight	190.205
Flash Point	207.7±24.0 °C
Exact Mass	190.096695
PSA	108.34000
LogP	0.73
Vapour Pressure	0.0±1.0 mmHg at 25°C
Index of Refraction	1.810

CHEMICAL IDENTIFICATION

RTECS NUMBER :: TH8849900

CHEMICAL NAME :: Phthalazine, 1,4-dihydrazino-

CAS REGISTRY NUMBER :: 484-23-1

BEILSTEIN REFERENCE NO. :: 0183442

LAST UPDATED :: 199703

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C8-H10-N6

MOLECULAR WEIGHT :: 190.24

WISWESSER LINE NOTATION :: T66 CNNJ BMZ EMZ

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 :: 106 mg/kg

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

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 300 mg/kg

TOXIC EFFECTS :: Vascular - BP lowering not characterized in autonomic section

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Intravenous

DOSE :: 250 ug/kg

SEX/DURATION :: female 32 week(s) after conception

TOXIC EFFECTS :: Reproductive - Specific Developmental Abnormalities - cardiovascular (circulatory) system

MUTATION DATA

TYPE OF TEST :: Mutation test systems - not otherwise specified

TEST SYSTEM :: Bacteria - Escherichia coli

DOSE/DURATION :: 125 ug/tube

REFERENCE :: ABPLAF Acta Biochimica Polonica. (Polish Biochemical Society, Posteura 3, 01-093 Warsaw, Poland) V.1- 1954- Volume(issue)/page/year: 42,291,1995

HS Code	2933990090

Precursor 9
CAS#:91-15-6 Phthalonitrile CAS#:4752-10-7 1,4-Dichloropht... CAS#:19064-71-2 1-chloro-4-meth... CAS#:22378-29-6 1-ETHOXY-4-CHLO...
CAS#:51935-42-3 1-Chloro-4-hydr... CAS#:3468-11-9 Phthalimide diimide CAS#:51793-94-3 1,4-Dimercapto ... CAS#:1445-69-8 2,3-Dihydrophth...
CAS#:88-99-3 Phthalic acid
DownStream 10
CAS#:27702-18-7 N,N-bis[(2-chlo... CAS#:27702-22-3 Benzaldehyde, 2... CAS#:27702-33-6 2-Propenal, 3-p... CAS#:27702-28-9 Benzaldehyde, 3...
CAS#:27702-20-1 Benzaldehyde,4-... CAS#:27702-29-0 Benzaldehyde, p... CAS#:89898-86-2 5-Nitrophthalazine CAS#:102072-84-4 5-Aminophthalazine
CAS#:253-52-1 Phthalazine CAS#:27704-02-5 Benzaldehyde,2-...

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%

1,4-Phthalazinedione, 2,3-dihydro-, dihydrazone

Dihydralazin

Nepresol

1,4-dihydrazinophthanazine

1,4-Phthalazinedione, 2,3-dihydro-, dihydrazone, (1Z,4Z)-

1,4-Dihydrazinophthalazine

Nepresolin

Dihydrallazine

Dihydrallazin

4-Hydrazino-1-hydrazono-1,2-dihydrophthalazine

phthalazine, 1,4-bis(hydrazino)-

Phthalazine, 1,4-bis(hydrazinyl)-

1,4-dihydrazinophtalazine

(1Z,4E)-1,4-Dihydrazono-1,2,3,4-tetrahydrophthalazine

Nepressol

Hypopresol

1,4-bis(hydrazino)phthalazine

1,4-Phthalazinedione, 2,3-dihydro-, dihydrazone, (1Z,4E)-

(1Z,4Z)-1,4-Dihydrazono-1,2,3,4-tetrahydrophthalazine

Ophthazin

dihydralazine

1,4-dihydrazinylphthalazine

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Dihydralazine
Price: Check
Purity: 98.0%
Delivery: 10 Day
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Email: sales@echemcloud.com

DC Chemicals Limited
China
Product Name: Dihydralazine
Price: ￥Inquiry/100mg ￥Inquiry/250mg ￥Inquiry/1g
Purity: 98.0%
Delivery: 10 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

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dihydralazine

Names

Chemical & Physical Properties

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION 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.