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Phenylhydrazine hydrochloride

Phenylhydrazine hydrochloride
Phenylhydrazine hydrochloride
Chemical Name:
Phenylhydrazine hydrochloride
59-88-1;PHENYLHYDRAZINE HCL;Phenylhydrazine hydr;PHENYLHYDRAZINIUM CHLORIDE;phenylhydrazinhydrochlorid;PhenylhydraziniumchlorideGR;Phenylhydrazine hydrochlorid;phenyl-hydrazinhydrochloride;PHENYLHYDRAZINE CHLORHYDRATE;PHNEYLHYDRAZINE HYDROCHLORIDE
Molecular Formula:
Formula Weight:
MOL File:

Phenylhydrazine hydrochloride Properties

Melting point:
250-254 °C (dec.)(lit.)
Boiling point:
236.22°C (rough estimate)
1.1672 (rough estimate)
refractive index 
1.5210 (estimate)
storage temp. 
H2O: soluble50mg/mL
Fine Crystalline Powder
White to light yellow or pinkish-beige
2.6-2.9 (50g/l, H2O)
Water Solubility 
50 g/L (20 ºC)
Stable. Incompatible with most common metals.
CAS DataBase Reference
59-88-1(CAS DataBase Reference)
EPA Substance Registry System
Hydrazine, phenyl-, monohydrochloride(59-88-1)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  T,N
Risk Statements  45-23/24/25-36/38-43-48/23/24/25-50-68
Safety Statements  53-45-61
RIDADR  UN 2811 6.1/PG 3
WGK Germany  3
RTECS  MV9000000
HazardClass  6.1
PackingGroup  III
HS Code  29280090
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501
H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501
H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501
H350 May cause cancer Carcinogenicity Category 1A, 1B Danger
H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501
H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, P501
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:
P201 Obtain special instructions before use.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P308+P313 IF exposed or concerned: Get medical advice/attention.
P405 Store locked up.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.

Phenylhydrazine hydrochloride price More Price(11)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 114715 Phenylhydrazine hydrochloride ≥99% 59-88-1 100g $108 2018-11-13 Buy
Sigma-Aldrich 114715 Phenylhydrazine hydrochloride ≥99% 59-88-1 5g $17.8 2018-11-13 Buy
TCI Chemical P0184 Phenylhydrazine Hydrochloride >98.5%(T) 59-88-1 25g $23 2018-11-22 Buy
TCI Chemical P0184 Phenylhydrazine Hydrochloride >98.5%(T) 59-88-1 100g $53 2018-11-22 Buy
Alfa Aesar A14645 Phenylhydrazine hydrochloride, 99% 59-88-1 100g $61.4 2018-11-13 Buy

Phenylhydrazine hydrochloride Chemical Properties,Uses,Production

Chemical Properties

white to tan solid

Chemical Properties

Phenylhydrazine is a colorless to pale yellow liquid or solid with a weak aromatic odor.


selective mannosidase inhibitor


manufacture of dyes, antipyrine, nitron (a stabilizer for explosives); reagent for sugars, aldehydes, ketones.

General Description

White to tan solid with a weak aromatic odor.

Air & Water Reactions

Forms corrosive acidic solutions.

Reactivity Profile

Phenylhydrazine hydrochloride may be corrosive to metals [USCG, 1999].

Health Hazard

Phenylhydrazine hydrochloride is poisonous if swallowed or if fumes are inhaled. Dust is irritating to eyes, nose, and throat. Phenylhydrazine is a chronic poison. Phenylhydrazine is an industrial substance suspect of carcinogenic potential for humans.

Fire Hazard

Toxic and irritating hydrogen chloride and oxides of nitrogen may be produced in fire. May be corrosive to metals. Hazardous polymerization may not occur.

Safety Profile

Poison by ingestion, intraperitoneal, and subcutaneous routes. Experimental reproductive effects. Questionable carcinogen with experimental neoplastigenic and tumorigenic data. Mutation data reported. When heated to decomposition it emits very toxic fumes of NOx and HCl.

Potential Exposure

Phenylhydrazine is a widely used reagent in conjunction with sugars, aldehydes, and ketones. In addition, to its use in the synthesis of dyes; pharmaceuticals, such as antipyrin; cryogenin, and pyramidone; and other organic chemicals. The hydrochloride salt is used in the treatment of polycythemia vera.

First aid

If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit.


UN2572 Phenylhydrazine, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.

Purification Methods

Dissolve 100g of phenylhydrazine hydrochloride in 200mL of warm H2O (60-70o) during 1-3hours, then add 1L of boiling EtOH. The solution is filtered, while still hot, through Whatman No 2 filter paper and cooled in a refrigerator. The precipitate is collected on a medium sintered-glass filter and recrystallised twice this way, then washed with cold EtOH, dried thoroughly and stored in a stoppered brown bottle. [Peterson et al. Anal Chem 29 144 1957.] Hough, Powell and Woods [J Chem Soc 4799 1956] boiled the hydrochloride with three times its weight of water, filtered hot (charcoal), added one-third volume of concentrated HCl and cooled to 0o. The crystals were washed with acetone, and dried over P2O5 under vacuum. The salt has also been crystallised from 95% EtOH, and it can be sublimed. [Coleman Org Synth Coll Vol I 442 1941, Beilstein 15 III 71.]


Phenylhydrazine is very reactive with carbonyl compounds, strong oxidizers; strong bases; alkali metals; ammonia, lead dioxide (violent). Attacks copper salts, nickel, and chromates.

Waste Disposal

Controlled incineration whereby oxides of nitrogen are removed from the effluent gas by scrubber, catalytic or thermal device.

Phenylhydrazine hydrochloride Preparation Products And Raw materials

Raw materials

Preparation Products

Phenylhydrazine hydrochloride Suppliers

Global( 213)Suppliers
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Phenylhydrazine hydrochloride Spectrum

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