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Phthalazine

Name: Phthalazine
Brand: USP

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

Phthalazine, β-Phenodiazine, 2,3-Benzodiazine

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About This Item

Empirical Formula (Hill Notation):

C₈H₆N₂

CAS Number:

253-52-1

Molecular Weight:

130.15

NACRES:

NA.24

PubChem Substance ID:

329750833

UNSPSC Code:

41116107

MDL number:

MFCD00006908

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Properties

grade

pharmaceutical primary standard

agency

USP

API family

hydralazine

manufacturer/tradename

USP

bp

189 °C/29 mmHg (lit.)

mp

89-92 °C (lit.)

application(s)

pharmaceutical

format

neat

storage temp.

2-8°C

SMILES string

c1ccc2cnncc2c1

InChI

1S/C8H6N2/c1-2-4-8-6-10-9-5-7(8)3-1/h1-6H

InChI key

LFSXCDWNBUNEEM-UHFFFAOYSA-N

Description

General description

Find answers to frequently asked questions on USP products in USP FAQs.

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including MSDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.
For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Phthalazine USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:

Hydralazine Hydrochloride
Hydralazine Hydrochloride Tablets

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.

Other Notes

Sales restrictions may apply.

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1 of 1

This Item	1569000	1046191	1231502
USP 1535959 Phthalazine	USP 1569000 Promazine hydrochloride	USP 1046191 Azelastine Related Compound D	USP 1231502 Dyphylline
description United States Pharmacopeia (USP) Reference Standard	description United States Pharmacopeia (USP) Reference Standard	description United States Pharmacopeia (USP) Reference Standard	description United States Pharmacopeia (USP) Reference Standard
grade pharmaceutical primary standard	grade pharmaceutical primary standard	grade pharmaceutical primary standard	grade pharmaceutical primary standard
manufacturer/tradename USP	manufacturer/tradename USP	manufacturer/tradename USP	manufacturer/tradename USP
format neat	format neat	format neat	format neat
application(s) pharmaceutical	application(s) pharmaceutical (small molecule)	application(s) pharmaceutical (small molecule)	application(s) pharmaceutical (small molecule)
API family hydralazine	API family promazine	API family azelastine	API family dyphylline
bp 189 °C/29 mmHg (lit.)	bp -	bp -	bp -

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Explore all of our products under Phthalazine

pictograms

GHS08

signalword

Warning

hcodes

H341,H412

pcodes

P202 - P273 - P280 - P308 + P313 - P405 - P501

Hazard Classifications

Aquatic Chronic 3 - Muta. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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