Cas No. 119-93-7
Molecular formula C14H16N2; [-C6H3 (CH3) -4-NH2] 2
Molecular weight 212.29
O-Tolidine
White or pink crystal or crystalline powder. It has an aniline-like smell. See the light or set the color deeper for a long time. Soluble in alcohol, ether and dilute acid, slightly soluble in water. Moderately toxic, LD50 (rat, oral) 404 mg / kg. There is a possibility of carcinogenesis. Irritating.
Melting point: 128-131 ℃
Boiling point: 300.5 ℃
Flash point: 244 ℃
Item Item Analysis and Purification
(AR) (CP)
Content ASSAY,% 97.00 97.00
Melting point, ℃ 129 ～ 131 127 ～ 130
Ignition residue (calculated as sulfate) Ignition residue,% ≤ 0.1 0.1
Solubility in dilute acid Solubility in dilute acid Qualified Sensitivity Qualified Qualified Sealed and protected from light.
Product use Photometric determination of gold, cerium, free chlorine (Sensitive colorimetric reagent for gold and for free chlorine in water). Determination of cyanide ions in nitrate, manganese, nitrite, chromium, copper, cobalt, mercury and air. Sensitive reagent for testing chloride ion and gold in water.
Square Waterproof Sun Shade Sail
Square Waterproof Sun Shade Sail,Waterproof Square Sun Shade,Waterproof Sun Shade Sail Square,Waterproof Square Shade Sail
Hebei Charlotte Enterprise Co., Ltd. , https://www.clshadesails.com