It is the former. Product 8.04604 is approximately 80 percent hydrazine hydrate by weight, which corresponds to 51.2 percent hydrazine by weight. Based on a density of 1.02 g/mL for this solution, which is 51.2 percent hydrazine, and a molecular weight of 32.05 for hydrazine (N2H4), the molarity of this solution is approximately 16 M.
8.04604
Hydrazin hydrate solution
80% solution in water, for synthesis
Synonym(s):
Hydrazine hydrate
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About This Item
UNSPSC Code:
12352402
NACRES:
NA.22
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Product Name
Hydrazin hydrate (80% solution in water), for synthesis
vapor pressure
13 hPa ( 20 °C)
Quality Level
form
solution
autoignition temp.
310 °C
expl. lim.
4.7-99 % (v/v) refers to pure substance()
reaction suitability
reagent type: reductant
pH
10.6-10.7 (20 °C, 10 g/L in H2O)
bp
117-119 °C/1013 hPa
mp
-60 °C
density
1.02 g/cm3 at 20 °C
storage temp.
15-25°C
Application
Hydrazin hydrate (80% solution in water) can be used as a reducing agent for the reduction of exfoliated graphene oxide (GO), which is used for the preparation of GO nanocomposites.[1] It is also used as a reagent in the synthesis of 3-amino-2-thiohydantoins by reacting with alkyl isothiocynatocarboxylates.[2]
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1
Storage Class Code
6.1A - Combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
WGK
WGK 3
Flash Point(F)
195.8 °F - closed cup - DIN 51758
Flash Point(C)
91 °C - closed cup - DIN 51758
Certificates of Analysis (COA)
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It is 80% of hydrazine hydroxide in water (about 52% of hydrazine in water) or 80% of hydrazine in water. There is no MW on page. I thought that is less than 1 molecule of water to 1 molecule of hydrazine (sth like hydrazine half-hydrate).
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