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Phthalhydrazide

Phthalhydrazide structure

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

Molecular Weight:: 162.15

MDL Number:: MFCD00006888

MOL File:: 1445-69-8.mol

MSDS File:: SDS

Last updated:2026-01-13 11:18:13

Product description	Number	Pack Size	Price
Phthalhydrazide ReagentPlus , 99%	P38803	25g	$58.9
Phthalic Hydrazide >98.0%(HPLC)(T)	P0354	25g	$19
Phthalic Hydrazide >98.0%(HPLC)(T)	P0354	500g	$223
Phthalic Hydrazide	P384510	1g	$65
Phthalic Hydrazide	165944	1g	$340
More product size

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Phthalhydrazide Properties

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.
pka	10.70±0.20(Predicted)
form	Powder and Chunks
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)
EWG's Food Scores	1
FDA UNII	YNX3Y8MV3B
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P305+P351+P338

Safety Statements

24/25

WGK Germany

RTECS

TH8890080

HS Code

29280000

Storage Class

11 - Combustible Solids

Toxicity

mouse,LD50,intraperitoneal,700mg/kg (700mg/kg),Archiv der Pharmazie Vol. 327, Pg. 237, 1994.

NFPA 704

	1
0		0

Phthalhydrazide price More Price(27)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	P38803	Phthalhydrazide ReagentPlus , 99%	1445-69-8	25g	$58.9	2025-07-31	Buy
TCI Chemical	P0354	Phthalic Hydrazide >98.0%(HPLC)(T)	1445-69-8	25g	$19	2025-07-31	Buy
TCI Chemical	P0354	Phthalic Hydrazide >98.0%(HPLC)(T)	1445-69-8	500g	$223	2025-07-31	Buy
TRC	P384510	Phthalic Hydrazide	1445-69-8	1g	$65	2021-12-16	Buy
Usbiological	165944	Phthalic Hydrazide	1445-69-8	1g	$340	2021-12-16	Buy

Product number	Packaging	Price	Buy
P38803	25g	$58.9	Buy
P0354	25g	$19	Buy
P0354	500g	$223	Buy
P384510	1g	$65	Buy
165944	1g	$340	Buy

Phthalhydrazide Chemical Properties,Uses,Production

Chemical Properties

WHITE POWDER AND CHUNKS

Uses

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

Uses

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

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 synthesis

Synthesis of Phthalhydrazide from Phthalic anhydride

Phthalhydrazide Preparation Products And Raw materials

Raw materials

1H-Isoindole-1,3(2H)-dione, 2-[(phenylmethyl)amino]- 1,2-Ethanediamine, N,N-bis(2-pyridinylmethyl)- 3-Amino-4H-pyrido[1,2-a]pyrimidin-4-one dihydrochloride 6-Nitrophthalide 2-(2-Methoxyethoxy)ethanamine

Benzylhydrazine

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Preparation Products

(DHQD)2PHAL 1-CHLORO-4-METHOXYPHTHALAZINE 4-Nitrophthalhydrazide 4-Aminophthalhydrazide (E)-4-chloro-1-hydrazono-1,2-dihydrophthalazine

Phthalhydrazide Suppliers

Global( 373)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	+8615350571055	Sibel@chuanghaibio.com	China	8754	58
Hebei Chuanghai Biotechnology Co,.LTD	+86-13131129325	sales1@chuanghaibio.com	China	5242	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718; +8613336195806	sales@capot.com	China	29735	60
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21600	55
ATK CHEMICAL COMPANY LIMITED	+undefined-21-51877795	ivan@atkchemical.com	China	33024	60
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29837	58
Jinan Carbotang Biotech Co.,Ltd.	+8615866703830	figo.gao@foxmail.com	China	8497	58
HubeiwidelychemicaltechnologyCo.,Ltd	18627774460	faith@widelychemical.com	CHINA	742	58
Standardpharm Co. Ltd.	86-714-3992388	overseasales1@yongstandards.com	United States	14332	58
Beijing Yibai Biotechnology Co., Ltd	0086-182-6772-3597	sales04@yibaibiotech.com	CHINA	419	58

Supplier	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	58
Hebei Chuanghai Biotechnology Co,.LTD	58
Capot Chemical Co.,Ltd.	60
Henan Tianfu Chemical Co.,Ltd.	55
ATK CHEMICAL COMPANY LIMITED	60
career henan chemical co	58
Jinan Carbotang Biotech Co.,Ltd.	58
HubeiwidelychemicaltechnologyCo.,Ltd	58
Standardpharm Co. Ltd.	58
Beijing Yibai Biotechnology Co., Ltd	58

View Lastest Price from Phthalhydrazide manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-01-05	Phthalhydrazide 1445-69-8	US $0.00-0.00 / KG	1KG	99%	20 mt	Hebei Chuanghai Biotechnology Co., Ltd
2025-12-01	Phthalhydrazide 1445-69-8	US $0.00 / kg	1kg	98%	1000kg	Shaanxi Dideu New Materials Co. Ltd
2025-05-26	Phthalhydrazide 1445-69-8	US $2.60 / KG	1KG	99%	5000kg	Hebei Chuanghai Biotechnology Co,.LTD

Phthalhydrazide
1445-69-8
US $0.00-0.00 / KG
99%
Hebei Chuanghai Biotechnology Co., Ltd

Phthalhydrazide
1445-69-8
US $0.00 / kg
98%
Shaanxi Dideu New Materials Co. Ltd

Phthalhydrazide
1445-69-8
US $2.60 / KG
99%
Hebei Chuanghai Biotechnology Co,.LTD

Phthalhydrazide Spectrum

Phthalhydrazide(1445-69-8)MS Phthalhydrazide(1445-69-8)¹HNMR Phthalhydrazide(1445-69-8)¹³CNMR Phthalhydrazide(1445-69-8)IR1 Phthalhydrazide(1445-69-8)IR2 Phthalhydrazide(1445-69-8)Raman Phthalhydrazide(1445-69-8)ESR

1445-69-8(Phthalhydrazide)Related 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

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