在线一区视频,知情人第一季韩剧电视剧在线观看全集,韩国电影90分钟完整版在线观看,久久一区二区三区四区,蜜桃av片,国产三男一女4p免费男黑人,色戒完整版土豆视频

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