USD $280.00-280.00 / Kilogram
USD $0.16-0.16 / Gram
USD $130.00-150.00 / Kilogram
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dichloromethane
synonyms: methylene chloride
molecular formula: ch2cl2
molecular weight: 84.94
property: colourless, transparent and volatile liquid, with pungent odour like ether. specific gravity(d154) 1.335;melting point: -96.7℃;boiling point: 39.8℃;refractive index: 1.4244.
slightly dissolvable in water. dissolvable in ethanol and ether. flammable but unexplosive in air under general condition. narcotic and toxic.
specification: (gb/t4117-2008)
items |
index |
|||
premium grade |
first grade |
qualified grade |
||
content(%):≥ |
99.90 |
99.50 |
99.20 |
|
moisture content(%):≤ |
0.010 |
0.020 |
0.030 |
|
acidity (based on hcl) (%):≤ |
0.0004 |
0.0004 |
0.0008 |
|
chroma/hazen unit (pt-co chroma) (%):≤ |
10 |
|||
evaporation residue (%):≤ |
0.0005 |
0.0005 |
0.0010 |
chinese name: methylene chloride chinese alias: methylene dichloride.methylene chloride.methylene dichloride.english name: dichloromethane english alias: freon 30;methylene bichloride;methylene chloride.solaesthin;methane dichloride.read more english nickname cas number: 75-09-2 formula: ch2cl2 molecular weight: 84.93260 accurate quality: logp 83.95340:1.42150
physical and chemical properties of error correction
appearance and properties: a colorless liquid with a sweet, penetration, like the smell of the ether density: 1.325 g/ml at 25 ° c (lit) melting point: - 97 ° c, the boiling point: 40 ° c - 39.8 mm hg (lit) flash point: 39 and 40 ° c refractive index: n20 / d 1.424 (lit) water solubility: 20 g/l (20 dhs c) storage conditions: warehouse ventilation dry at low temperature, and antioxidant, nitric acid separate from the steam density: 2.9 (vs air)
safety information error correction
level of packaging: dangerous category iii: 6.1 the customs code: 2903120001 transport of dangerous goods code: un 1593 6.1 / pg 3 wgk germany: dangerous category code 2: r40 safety instructions: s23 - s24/25 - s36/37 - s45 - s16 - s7rtecs: pa8050000 dangerous mark: xn: harmful