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Detail of "74-95-3"

  • MSDS Download
  • CAS Number:
  • 74-95-3
  • Name:

  • Dibromomethane

  • Molecular Structure:
  • Formula:
  • CH2Br2
  • Molecular Weight:
  • 173.85
  • Synonyms:
  • Methylene bromide;Methylene dibromide;NSC 7293;Dibromomethane [UN2664] [Poison];Methane, dibromo-;
  • EINECS:
  • 200-824-2
  • Density:
  • 2.434 g/cm3
  • Melting Point:
  • -52 °C
  • Boiling Point:
  • 97 °C at 760 mmHg
  • Flash Point:
  • 96-98 °C
  • Solubility:
  • water: 0.1 g/100 mL (20 °C)
  • Appearance:
  • colourless liquid
  • Hazard Symbols:
  • HarmfulXn,ToxicT,FlammableF
  • Risk Codes:
  • 20-52/53-39/23/24/25-23/24/25-11
  • Safety:
  • 24-61-45-36/37-16-7 Details
  • Transport Information:
  • UN 2664 6.1/PG 3
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CAS No.74-95-3 DibromomethaneCompetitive Product

Assay:99.5%  Appearance:LIQUID  Package:250KG/DRUM

Dibromomethane DBM SYNOYMS ;Methylene bromide;methylene dibromide DBM EINECS： 200-824-2 Formula： CH2Br2 weight： 173.8346 InChI： InChI=1/CH2Br2/c2-1-3/h1H2 density： 2.434g/cm3 melting point： -52℃ biling point： 97°C at 760 mmHg

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CAS No.74-95-3 DibromomethaneCompetitive Product

Assay:99.0 PCT MIN  Appearance:Colorless tr...

Dibromomethane Alias: Methylene bromide; methylene dibromide Chemical Formula: CH2Br2 UN Number: 2664 Bromochloromethane: 0.8PCT MAX Dichloromethane: 0.1PCT MAX Acidity (HBr): 0.05PCT MAX Boiling Point: 97.0 oC Specific Gravity: 2.4969 (20 oC )

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CAS No.74-95-3 DibromomethaneCompetitive Product

  Appearance:colorless li...  Package:100L/ galvan...

Chemical Name: Dibromomethane English Name: Dibromomethane; Methylene Bromide; Methylene Dibromide CAS NO: 74-95-3 Molecular Formula: CH2Br2 Molecular Weight: 173.8 Quality Index: DibromomethaneAssay ≥99.9% Bromine Chloro MethaneAssay ≤0.01% Dichloromethane conte

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CAS No.74-95-3 Dibromomethane

Assay:99.9%  Appearance:colorless or...  Package:250kg/drumStorage:250kg/drum  Transportation:WITHIN 10 DA...  Application:Mainly used ...

Specification (Physical & Chemical Properties) EINECS No 200-824-2 MW 173.84 Index of refraction 1.5419(20°C) melting point -52.7°C boiling point 96.5°C Acidity ≤0.01% Bromochloro

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CAS No.74-95-3 Dibromomethane

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CAS No.74-95-3 Dibromomethane

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Dibromomethane (Methylene bromide) UN:2664 Hazard Class:14 Molecular Formula:CH2 Br2 Molecular Weight:173.8 Melting point:-50C Boiling point:96C Relative density:2.197 Usage: Water solubility 1.17g/100g water 15C. easy soluble in alcohols, acids and ester . Use

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CAS No.74-95-3 Dibromomethane

Product Name: Dibromomethane Synonyms: Methylene bromide; methylene dibromide; MethyleneBromide CAS RN.: 74-95-3 EINECS: 200-824-2 Molecular Weight: 173.8346 Molecular Formula: CH2Br2 Density: 2.434g/cm3 Melting Point(℃): -52℃ Boiling Point(℃): 97°C at 760 mmHg refra

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CAS No.74-95-3 Dibromomethane

Product Name: Dibromomethane Synonyms: Methylene bromide; methylene dibromide; MethyleneBromide CAS RN.: 74-95-3 EINECS: 200-824-2 Molecular Weight: 173.8346 Molecular Formula: CH2Br2 Density: 2.434g/cm3 Melting Point(℃): -52℃ Boiling Point(℃): 97°C at 760 mmHg refra

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CAS No.74-95-3 Dibromomethane

Methylene bromide

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CAS No.74-95-3 Dibromomethane

The physicochemical properties of: Colorless or light yellow liquid characters. Melting point-52.5 ℃ Boiling point 97 ℃ The relative density of 2.4970 The refractive index of 1.5420 Solubility with ethanol, ethyl ether, acetone immiscible Product use: Used as organic synt

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CAS No.74-95-3 Dibromomethane

Assay:99.9%min  Appearance:Colorless or...

Chlorobromomethane: 0.01%max Dichloromethane: 0.01%max

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Dibromomethane/Methylene Bromide

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CAS No.74-95-3 Dibromomethane

Assay:99%min  Appearance:Clear light ...  Package:200kg/drum o...

1.Other names:Methylene dibromide 2.MF: CH2Br2 3.Type:Agrochemical intermediates, Pharmaceutical intermediates 4.Place of origin: China(mainland) 5.Brand Name: JTYCHEM

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Dibromomethane

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Reference

Postcrosslinking of styrene-divinylbenzene copolymers
Postcrosslinking of styrene-divinylbenzene copolymers. Popov, Georgi; Krauss, Dieter; Feistel, Lothar; Schwachula, Gerhard (VEB Chemiekombinat Bitterfeld, Ger. Dem. Rep.). Ger. (East) DD 203556 A1 26 Oct 1983, 16 pp. (German). (German Democratic Republic). CODEN: GEXXA8. CLASS: IC: C08J003-24. APPLICATION: DD 82-237248 8 Feb 1982. DOCUMENT TYPE: Patent CA Section: 37 (Plastics Manufacture and Processing) Weakly crosslinked copolymers of divinylbenzene and styrene are postcrosslinked with a dihaloalkane in suspension in the presence of a Friedel-Crafts catalyst, giving polymers with controlled swelling properties. Thus, a mixt. of 100 mL MeNO2, 0.1 mol AlCl3, 100 mL Br2CH2 [74-95-3], and 10.4 g divinylbenzene-styrene copolymer (I) [9003-70-7] was stirred 15 min at room temp. and 5 h at 60° to give crosslinked I (halogen substitution 0.07%) with degree of swelling in toluene 2.88 g/g, compared with 8. 9003-70-7 and 74-97-5 are just another two chemicals used in this study.14 g/g for the untreated I. .
Basic metals
Basic metals. XLV. Cobalt complexes with thioformaldehyde, selenoformaldehyde and dimethyl carbonate as ligands. Hofmann, L.; Werner, H. (Inst. Anorg. Chem., Univ. Wuerzburg, Wuerzburg D-8700, Fed. Rep. Ger.). J. Organomet. Chem., 255(3), C41-C45 (German) 1983. CODEN: JORCAI. ISSN: 0022-328X. DOCUMENT TYPE: Journal CA Section: 29 (Organometallic and Organometalloidal Compounds) C5H5Co(h2-CH2S)PMe3 (I) and C5H5Co(h2-CH2Se)PMe3 (II) are prepd. from C5H5Co(CO)PMe3, CH2X2 (X = Br, iodo) and NaSH or NaSeH, presumably via [C5H5CoCH2X(PMe3)X] as an intermediate. Reactions of I and II with MeI/NH4PF6 gave [C5H5Co(h2-CH2RMe)PMe3]PF6 [R = S (III), Se).In this experiment, several chemicals are used like 74-95-3 and 89199-31-5 III reacts with CF3CO2H in the presence of NaI by Co-CH2 bond cleavage to yield [C5H5Co(SMe2)(PMe3)I]PF6. The synthesis of C5H5Co[h2-OC(OMe)2]PMe3, the first complex contg. a dihapto-bonded carbonic acid ester, is also discussed. .
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