Phthalhydrazide

Product Name: Phthalhydrazide
CAS No.: 1445-69-8
Chemical Name: Phthalhydrazide
Synonyms: 2,3-DIHYDROPHTHALAZINE-1,4-DIONE;PHTHALIC HYDRAZIDE;Phthalohydrazide;PHTHALHYDRAZINE;PHTHALHYDRAZIDE;Phthalhydrizide;PHTALYLHYDRAZINE;PHTHALOYLHYDRAZINE;Phthalodihydrazide;1,4-phthalazinediol
CBNumber: CB4132853
Molecular Formula: C8H6N2O2
Formula Weight: 162.15
MOL File: 1445-69-8.mol

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Phthalhydrazide Property

Melting point:: >300 °C (lit.)
Boiling point:: 288.82°C (rough estimate)
Density: 1.3264 (rough estimate)
refractive index: 1.5770 (estimate)
storage temp.: Sealed in dry,Room Temperature
solubility: Soluble in acetone and acetic acid.
form: Powder and Chunks
pka: 10.70±0.20(Predicted)
color: White
BRN: 135926
InChI: InChI=1S/C8H6N2O2/c11-7-5-3-1-2-4-6(5)8(12)10-9-7/h1-4H,(H,9,11)(H,10,12)
InChIKey: KGLPWQKSKUVKMJ-UHFFFAOYSA-N
SMILES: C1(=O)C2=C(C=CC=C2)C(=O)NN1
CAS DataBase Reference: 1445-69-8(CAS DataBase Reference)

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Safety

Safety Statements: 24/25
WGK Germany: 3
RTECS: TH8890080
HS Code: 29280000
Toxicity: mouse,LD50,intraperitoneal,700mg/kg (700mg/kg),Archiv der Pharmazie Vol. 327, Pg. 237, 1994.

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: P38803
Product name: Phthalhydrazide
Purity: ReagentPlus , 99%
Packaging: 25g
Price: $58.9
Updated: 2025/07/31

TCI Chemical

Product number: P0354
Product name: Phthalic Hydrazide
Purity: >98.0%(HPLC)(T)
Packaging: 25g
Price: $19
Updated: 2025/07/31

TCI Chemical

Product number: P0354
Product name: Phthalic Hydrazide
Purity: >98.0%(HPLC)(T)
Packaging: 500g
Price: $223
Updated: 2025/07/31

TRC

Product number: P384510
Product name: Phthalic Hydrazide
Packaging: 1g
Price: $65
Updated: 2021/12/16

Usbiological

Product number: 165944
Product name: Phthalic Hydrazide
Packaging: 1g
Price: $340
Updated: 2021/12/16

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Phthalhydrazide Chemical Properties,Usage,Production

Chemical Properties

WHITE POWDER AND CHUNKS

Uses

Phthalhydrazide is a reagent used in the synthesis of various pyrazolophthalazine derivatives is and used in medicine double hydrazine phthalocyanine work intermediates.

Uses

Phthalic Hydrazide is a reagent in the synthesis in various pyrazolophthalazine derivatives.

Synthesis Reference(s)

Journal of Heterocyclic Chemistry, 5, p. 111, 1968 DOI: 10.1002/jhet.5570050120

Synthesis Reference(s)

Journal of the American Chemical Society, 84, p. 966, 1962 DOI: 10.1021/ja00865a018

Purification Methods

Recrystallise it twice from 0.1M KOH [Merenyi et al. J Am Chem Soc 108 7716 1986], EtOH or dimethylformamide and it sublimes >300o. [Beilstein 24 H 371, 24 II 194.]

Phthalhydrazide Preparation Products And Raw materials

Raw materials

Preparation Products

(DHQD)2PHAL 1-CHLORO-4-METHOXYPHTHALAZINE

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Phthalhydrazide Suppliers

Americas 1 Belgium 1 Canada 1 China 281 Czech 1 Europe 2 Germany 5 India 18 Japan 4 South Korea 1 Spain 1 Switzerland 3 The Netherlands 3 Ukraine 2 United Kingdom 10 United States 42 Global 376

Hefei QiChang Biological Technology Co., Ltd.

Tel: 18019964904; 17756579152
Fax: QQ:252833506
Email: liuchun.0228@163.com
Country: China
ProdList: 63
Advantage: 58

WEIFANG CYANOCHEM CO; LTD.

Tel: 0571-85220831 13188860031
Fax: +86 571 85220831
Email: 476521632@qq.com
Country: China
ProdList: 297
Advantage: 58

Hengshui Rayson Chemical Technology Co. , Ltd.

Tel: 0318-8888981 13785822979
Email: 1532555757@qq.com
Country: China
ProdList: 27
Advantage: 58

Henan Kaixin Biomedical Co., Ltd.

Tel: 18135767668 18135767668
Email: 1101014211@qq.com
Country: China
ProdList: 874
Advantage: 58

Shanghai Boyle Chemical Co., Ltd.

Tel: 021-50182298 021-50180596
Fax: +86-21-57758967
Email: sales@boylechem.com
Country: China
ProdList: 2208
Advantage: 55

J & K SCIENTIFIC LTD.

Tel: 18210857532; 18210857532
Fax: 86-10-82849933
Email: jkinfo@jkchemical.com
Country: China
ProdList: 96815
Advantage: 76

Meryer (Shanghai) Chemical Technology Co., Ltd.

Tel: 4006356688 18621169109
Fax: 86-21-61259102
Email: market03@meryer.com
Country: China
ProdList: 40228
Advantage: 62

INTATRADE GmbH

Tel: +49 3493/605464
Fax: +49 3493/605470
Email: sales@intatrade.de
Country: Germany
ProdList: 3572
Advantage: 66

Alfa Aesar

Tel: 400-6106006
Fax: 021-67582001/03/05
Email: saleschina@alfa-asia.com
Country: China
ProdList: 30123
Advantage: 84

TAIYUAN RHF CO.,LTD.

Tel: +86 351 7031519
Fax: +86 351 7031519
Email: sales@RHFChem.com
Country: China
ProdList: 2338
Advantage: 56

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View Lastest Price from Phthalhydrazide manufacturers

Shaanxi Dideu New Materials Co. Ltd

Product: Phthalhydrazide 1445-69-8
Price: US $0.00/kg
Min. Order: 1kg
Purity: 98%
Supply Ability: 1000kg
Release date: 2025-05-15

Hebei Chuanghai Biotechnology Co., Ltd

Product: Phthalhydrazide 1445-69-8
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 20 mt
Release date: 2025-03-10

Henan Aochuang Chemical Co.,Ltd.

Product: Phthalhydrazide 1445-69-8
Price: US $0.00-0.00/kg
Min. Order: 1kg
Purity: 98%
Supply Ability: 1Ton
Release date: 2022-10-09

1445-69-8, PhthalhydrazideRelated Search:

1,5-Diphenylcarbazide O-Phthalimide Benzoyl hydrazine DIPHENYLCARBAZONE Phthalic anhydride PHTHALAMIDE Dibutyl phthalate 1,2-Benzenedimethanol Dimethyl phthalate butyl isobutyl phthalate Phthalic acid o-Phthalaldehyde Potassium phthalimide Phthalylsulfathiazole Phthalazine Phthaloyl amlodipine Diallyl phthalate Potassium hydrogen phthalate

PHTALYLHYDRAZINE

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PHTHALHYDRAZINE

PHTHALIC HYDRAZIDE

PHTHALOYLHYDRAZINE

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Linezolid Impurity 14

LABOTEST-BB LT00000280

2,3-DIHYDRO-1,4-PHTHALAZINEDIONE PHTHALHYDRAZINE

1,4-Phthalazinedione, 2,3-dihydro- (6CI,7CI,8CI,9CI)

INTERVIEW WITH THE VAMPIRE

Phthalhydrazide, 98+%

Phthalic acid dihydrazide

Phthalodihydrazide

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Phthalhydrazide,99%

2,3-DIHYDROPHTHALAZINE-1,4-DIONE

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Phthalhydrizide

2,3-Dihydrophalazine-1.4-dione

Phthalhydrazide, 99% 100GR

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

2,3-Dihydro-1,4-phthalazinedione 1,4-Phthalazinedione Phthaloylhydrazine

The adjacent benzene twobenzoyl hydrazine

Phthalhydrazide ReagentPlus(R), 99%

1,4-DIHYDROXYPHTHALAZINE

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PhthalicHydrazide&gt

Primaquine Impurity 3 (Phthalhydrazide)

Primaquine Impurity 1（Phthalhydrazide）

Phthalyl Hydrazide pure, 98%

2,3-Dihydrophthalazine-1,4-dione - [D28021]

1445-69-8

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