Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Dihydralazine
Price: Check
Purity: 98.0%
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DC Chemicals Limited
China
Product Name: Dihydralazine
Price: ￥Inquiry/100mg ￥Inquiry/250mg ￥Inquiry/1g
Purity: 98.0%
Stocking Period: 10 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

484-23-1

484-23-1 structure

484-23-1 structure

Name: dihydralazine
Chemical Name: (4-hydrazinylphthalazin-1-yl)hydrazine
CAS Number: 484-23-1
Molecular Formula: C₈H₁₀N₆
Molecular Weight: 190.205
Catalog: API Circulatory system medication Antihypertensive drug
Create Date: 2018-03-29 08:00:00
Modify Date: 2025-08-27 09:40:52

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

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
91-15-6 4752-10-7 19064-71-2 22378-29-6
51935-42-3 3468-11-9 51793-94-3 1445-69-8
88-99-3
DownStream 10
27702-18-7 27702-22-3 27702-33-6 27702-28-9
27702-20-1 27702-29-0 89898-86-2 102072-84-4
253-52-1 27704-02-5

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%

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