HYDRAZINE MONOHYDROBROMIDE Chemical Properties

Melting point:

87-92 °C(lit.)

Boiling point:

190°C

Density 

2.300

Flash point:

190°C

storage temp. 

Store below +30°C.

solubility 

3260g/l soluble

form 

white monoclinic crystalline flakes

color 

Colorless to Almost colorless

PH

4-5 (100g/l, H2O, 20℃)

Water Solubility 

soluble H2O, lower alcohols; insoluble most organic solvents [HAW93]

Sensitive 

Hygroscopic

InChIKey

DVHXJLRODLTJOD-UHFFFAOYSA-N

CAS DataBase Reference

13775-80-9(CAS DataBase Reference)

EPA Substance Registry System

Hydrazine, monohydrobromide (13775-80-9)

Safety Information

Hazard Codes 

T,N

Risk Statements 

45-46-23/24/25-34-42/43-50/53-43

Safety Statements 

53-26-27-28-36/37/39-45-61-60

RIDADR 

UN 3262 8/PG 2

WGK Germany 

3

TSCA 

Yes

HS Code 

2825 10 00

HazardClass 

6.1

PackingGroup 

II

MSDS

• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

HYDRAZINE MONOHYDROBROMIDE Usage And Synthesis

Chemical Properties

white, crystal(s) flakes; used in soldering flux; monoclinic, a=1.285 nm, b=0.454nm, c=1.194nm [CIC73] [HAW93]

Uses

Hydrazine monohydrobromide (hydrazinium bromide) may be used in the synthesis of bromostannates and bromostannites by reacting with tin bromide and also in soldering flux.

General Description

Hydrazine monohydrobromide (hydrazinium bromide) is a hydrobromide salt of hydrazine. It has been prepared by adding aqueous hydrobromic acid to aqueous hydrazine. Its crystal structure has been investigated. It participates in the synthesis of 2-(2′-furoyl)-4(5)-(2′-furanyl)-1H-imidazole (FFI). It is formed as an intermediate during the formation of phosphaminimides from hydrazide derivatives. The fumes from the pyrolysis of hydrazine monohydrobromide soldering flux have been reported to cause dermatitis.

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