久久98,亚洲欧美综合久久,污污美女网站,真正免费一级毛片在线播放,亚洲私人影院,国产www视频,国产一级片免费视频

Sulphur Black Sulphur parti-color Medicine intermediates Vat pink R Dye intermediates Others
Details

2,4-Dinitrochlorobenzene

C6H3(NO2)2Cl Relative molecular quality:202.55

【Properties】
Yellow to tan crystals, insoluble in water, soluble in ethanol.

【Qulity standard】 
Quality standard: HG/T2553-2003

Items Indices
Fine grade First grade Past grade
Appearance Light yellow to light brown casting
Crystalliation point/°C ≥ 48.5 47.50 47.00
Purity/% ≥ 99.00 96.00 93.00
Low boiling matter/ % ≤ 0.20 1.00 1.00
Isomerism/% ≤ 1.00 3.00 6.00
High boiling matter/ % ≤ 0.05 0.10 0.10
Moistness/ % ≤ 0.50

【Uses】
For manufacturing dyes, pigments and medicine intermediate.

【Starage and transportation】
To be kept in a cool, ventilation and dry place. Prevent from sun-shine. Far from fire. Don't contact with skin because the product is strongly irritant, poisonous. Must be prevent from sharp bump to transport it.

【Packing】
In iron drums of 300kg net each.




Pre: SULPHUR BLACK BR.B 200%
Next: DL-hydroxyl phenyl glycin