Product Name | Pyrogallol |
Synonyms | Benzene-1,2,3-triol;1,2,3-Benzenetriol;1,2,3-Trihydroxybenzene;Pyrogallic acid;1,2,3-trihydroxy-benzene;trihydroxybenzene; |
CAS | 87-66-1 |
Molecular formula | C6H6O3 |
Molecular Weight | 125.1021 |
EINECS | 201-762-9 |
Physical and Chemical Properties | Melting Point | 43-47°C(lit.) | Boiling point | 309°C | Flash Point | >230°F | Density | 1.112g/mLat25°C(lit.) |
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General Description | White odorless crystal. It tastes bitter. Exposure to air and light turns gray. |
Usage | widely used in chemical and pharmaceutical synthesis and the manufacture of pesticides, and electronic chemicals. |
Packing | 25kgs/ drum |
Storage condition | Keep stored in a cool, ventilated and dry place, sealed away from light. |
Specifications |
Items | Specifications |
operative norm | White crystalline powder |
Content, % | ≥99.5 |
moisture content(%) | ≤0.5 |
m.pºC | 132-134 |
Residue of ignition (%) | 0.025 |
insolubility in water | clarify |
sulfates (SO4²¯))(%) ≤ | 0.005 |
Chloride (Cl)(%) ≤ | 0.001 |
gallic acid | qualified |
acetone solution | light yellow to colorless |
PH | 4.0-4.4 |
Heavy metal(Pt) ≤ | 5.0 |