Dibromomethane

• Catalog No.: 66730
• CAS Number: 74-95-3
• M. F.: CH2Br2
• M. W.: 173.83458
• Purity: ≥98.5% (GC)

SYNONYMS

• Title: 二溴甲烷
• IUPAC name: dibromomethane
• IUPAC Traditional name: dibromomethane
• Synonyms: 甲叉二溴; Methylene bromide

DATABASE IDS

• Beilstein Number: 969143
• MDL Number: MFCD00000168
• CAS Number: 74-95-3
• EC Number: 200-824-2
• PubChem SID: 24884902

PROPERTIES

• Empirical Formula (Hill Notation): CH2Br2
• Grade: puriss.
• Purity: ≥98.5% (GC)
• Boiling Point: 96-98 °C(lit.)
• Density: 2.477 g/mL at 25 °C(lit.)
• Melting Point: -52 °C(lit.)
• Refractive Index: n20/D 1.541(lit.)
• Refractive Index: n20/D 1.541
• Vapor Density: 6.05 (vs air)
• Vapor Pressure: 34.9 mmHg ( 20 °C)
• GHS Signal Word: Warning
• GHS Hazard statements: H332-H412
• European Hazard Symbols: Harmful (Xn)
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• GHS Precautionary statements: P273
• RID/ADR: UN 2664 6.1/PG 3
• Risk Statements: 20-52/53
• RTECS: PA7350000
• Safety Statements: 24-61
• Hazard Class: 6.1
• UN Number: 2664
• Packing Group: 3
• German water hazard class: 2

DETAILS

Description (English)

Other Notes
Reagent, together with Zn and TiCl4, for the methylenation of carbonyl compounds1

Description (简体中文)

Other Notes
与 Zn 和 TiCl4 共存的试剂，用于羰基化合物的亚甲基化1