2,2-双(溴甲基)-1,3-丙二醇

Description

2,2-bis(bromomethyl)-1,3-propanediol · CAS 3296-90-0 · C5H10Br2O2. UNII 4ZHG182S25. Melting Point: 228 to 230 °F (NTP, 1992); Melting Point: 113 °C; Solubility: In water, 38 g/L at 25 °C.

Identification

CAS Registry Number	3296-90-0
PubChem CID	18692
Molecular formula	C5H10Br2O2
IUPAC name	2,2-bis(bromomethyl)propane-1,3-diol
UNII (FDA)	4ZHG182S25

Computed Descriptors

Molecular Weight	261.94
XLogP3	0.5
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	4
Exact Mass	261.90271
Monoisotopic Mass	259.90475
Topological Polar Surface Area	40.5
Heavy Atom Count	9
Formal Charge	0

Physical & Chemical Properties

Melting Point	228 to 230 °F (NTP, 1992)
Melting Point	113 °C
Solubility	In water, 38 g/L at 25 °C
Vapor Pressure	0.000013 [mmHg]

Physical description & handling notes

• 2,2-bis(bromomethyl)-1,3-propanediol is an off-white powder. (NTP, 1992)
• Dry Powder; CBI
• Off-white hygroscopic solid; [CAMEO]
• Needles from benzene
• 455 °F at 760 mmHg (decomposes) (NTP, 1992)
• less than 1 mg/mL at 66 °F (NTP, 1992)

Regulatory Status

GHS notification summary	0.1% (1 / 764)

GHS Hazard Classification

GHS notification summary	0.1% (1 / 764)
Reported hazard statements	H340, H350, H302 (63.4%), H319 (95.7%), H341 (75%), H351 (23.3%), H373 (17.7%), H413 (17.7%)

Documented Uses

• Used as a reactive flame retardant for epoxy, polyester, and urethane foams and a chemical intermediate for flame retardants; [HSDB]
• Flame retardant for epoxy, polyester, and urethane foams; chemical intermediate for pentaerythritol ethers; chemical intermediate for derivatives used as flame retardants.
• 2,2-Bis(bromomethyl)-1,3-propanediol (BMP) is a brominated flame retardant used in unsaturated polyester resins.
• Plastics -> Polymer Type -> N.a.
• Not Known or Reasonably Ascertainable
• Cosmetics product ingredient: 2,2-Bis(bromomethyl)-1,3-propanediol (2,2-Bis(bromomethyl)propane-1,3-diol)

Synonyms

3296-90-0; 2,2-Bis(bromomethyl)propane-1,3-diol; 2,2-BIS(BROMOMETHYL)-1,3-PROPANEDIOL; Pentaerythritol dibromide; Dibromoneopentyl glycol; Dibromopentaerythritol; 1,3-Propanediol, 2,2-bis(bromomethyl)-; Pentaerythritol dibromohydrin; DTXSID9020164; FR 1138; NCI-C55516; 1,3-Dibromo-2,2-dimethylolpropane; 2,2-Dibromomethyl-1,3-propanediol; 1,3-Dibromo-2,2-dihydroxymethylpropane; Fr 522; 4ZHG182S25

Frequently Asked Questions

What are the CAS number and molecular formula of 2,2-bis(bromomethyl)-1,3-propanediol?

CAS 3296-90-0; molecular formula C5H10Br2O2; molecular weight — g/mol.

What other names is 2,2-bis(bromomethyl)-1,3-propanediol known by?

3296-90-0, 2,2-Bis(bromomethyl)propane-1,3-diol, 2,2-BIS(BROMOMETHYL)-1,3-PROPANEDIOL, Pentaerythritol dibromide, Dibromoneopentyl glycol, Dibromopentaerythritol.

Is 2,2-bis(bromomethyl)-1,3-propanediol classified as hazardous?

0.1% of GHS notifications report no hazard classification (1 of 764).

What are the key physical properties of 2,2-bis(bromomethyl)-1,3-propanediol?

Melting Point: 228 to 230 °F (NTP, 1992); Melting Point: 113 °C; Solubility: In water, 38 g/L at 25 °C; Vapor Pressure: 0.000013 [mmHg].

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.