久草丝袜在线|五月天中文字幕|国产成人av一区二区三区|少妇福利在线,成人午夜精品久久久久久久网站,日本大尺度电影未删减,国产视频一区二区三

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