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o-Phenylenediamine CAS:95-54-5
O-phenylenediamine CAS:95-54-5, also known as 1,2-diaminobenzene, 1,2-phenylenediamine. Precipitated from the water to white to pale yellow leaf-like crystals, precipitated from chloroform as prismatic crystals. Exposed to the air is easy to change color, from white to yellow, brown, purple, and finally turned black. Relative density of 1.2698. Melting point 103 ~ 104 ℃. The boiling point of 256 ~ 258 ℃. Slightly soluble in cold water (4.15 at 35 ℃), soluble in hot water (733 at 81 ℃), ethanol, ether, chloroform and benzene.
O-phenylenediamine CAS:95-54-5, also known as 1,2-diaminobenzene, 1,2-phenylenediamine. Precipitated from the water to white to pale yellow leaf-like crystals, precipitated from chloroform as prismatic crystals. Exposed to the air is easy to change color, from white to yellow, brown, purple, and finally turned black. Relative density of 1.2698. Melting point 103 ~ 104 ℃. The boiling point of 256 ~ 258 ℃. Slightly soluble in cold water (4.15 at 35 ℃), soluble in hot water (733 at 81 ℃), ethanol, ether, chloroform and benzene.
Find famsou sodium borohydride suppliers from China, Sodium borohydride 12% solution contains 12% sodium borohydride by weight. Under ideal reaction conditions, one mode (37.8g) of NaBH4 can reduce four modes of an aldehyde or ketone to the corresponding alcohol: NaBH4 + 4R2C= O +4H2O 4R2CHOH + NaB (OH)4