Description

2,2-Bis(bromomethyl)-1,3-propanediol (CAS No. 3296-90-0) is a high-purity brominated organic compound with the molecular formula C₅H₁₀Br₂O₂. This versatile chemical is widely utilized in organic synthesis, polymer chemistry, and flame retardant applications due to its reactive bromomethyl groups and diol functionality. The compound is supplied as a white to off-white crystalline powder with a minimum purity of 98%, ensuring consistent performance in demanding research and industrial processes. Proper storage conditions (2-8°C in a tightly sealed container) are recommended to maintain stability. Suitable for laboratory and small-scale production use, this product is rigorously tested by QC to meet analytical standards (HPLC, NMR).

Properties

• CAS Number: 3296-90-0
• Complexity: 67.4
• IUPAC Name: 2,2-bis(bromomethyl)propane-1,3-diol
• InChI: InChI=1S/C5H10Br2O2/c6-1-5(2-7,3-8)4-9/h8-9H,1-4H2
• InChI Key: CHUGKEQJSLOLHL-UHFFFAOYSA-N
• Exact Mass: 261.90271
• Molecular Formula: C5H10Br2O2
• Molecular Weight: 261.94
• SMILES: C(C(CO)(CBr)CBr)O
• Topological: 40.5
• Monoisotopic Mass: 259.90475
• Physical Description: 2,2-bis-1,3-propanediol is an off-white powder.
• Color/Form: Needles from benzene
• Boiling Point: 455 °F at 760 mmHg
• Melting Point: 228 to 230 °F
• Solubility: less than 1 mg/mL at 66 °F
• Density: 2.2 – Denser than water; will sink
• Vapor Pressure: 0.000013 [mmHg]
• Synonyms: 3296-90-0, 2,2-Bis(bromomethyl)propane-1,3-diol, 2,2-BIS(BROMOMETHYL)-1,3-PROPANEDIOL, Dibromoneopentyl glycol, Pentaerythritol dibromide, Dibromopentaerythritol, 1,3-Propanediol, 2,2-bis(bromomethyl)-, Pentaerythritol dibromohydrin, FR 1138, NCI-C55516, 1,3-Dibromo-2,2-dimethylolpropane, 2,2-Dibromomethyl-1,3-propanediol, NSC 9001, DBNPG, DTXSID9020164, 2,2-Bis(2-bromomethyl)-1,3-propanediol, 1,3-Propanediol, 2,2-bis(2-bromomethyl)-, 1,3-Dibromo-2,2-dihydroxymethylpropane, 2,2-Bis(bromomethyl)-1,3-propanediol, technical grade, CHEBI:82294, Fr 522, 4ZHG182S25, NSC-9001, 1,3-dibromo-2,2-bis(hydroxymethyl)propane, Pentaerythritol-d8Dibromide, DTXCID50164, CAS-3296-90-0, CCRIS 5972, HSDB 4184, EINECS 221-967-7, BRN 1304582, UNII-4ZHG182S25, dibromoneopentylglycol, MFCD00004688, beta-Fructofuranosidase, 1,2-dimethylolpropane, EC 221-967-7, Pentaerythritol, dibromohydrin, WLN: Q1X2E2E1Q, 4-01-00-02554 (Beilstein Handbook Reference), 1, 2,2-bis(bromomethyl)-, SCHEMBL399680, CHEMBL1407005, CHUGKEQJSLOLHL-UHFFFAOYSA-, 1, 2,2-bis(2-bromomethyl)-, NSC9001, Tox21_201856, Tox21_300296, 2,2-bisbromomethylpropane-1,3-diol, BR1298, AKOS005765877, 2,2-Di(bromomethyl)propane-1,3-diol, PENTAERYTHRITOL DIBROMIDE [HSDB], 1,3-Propanediol, 2,2-bis(bromomethyl), 2,2-bis(bromomethyl) 1,3-propane diol, 2,2-bis-(bromomethyl)propane-1,3-diol, NCGC00090690-01, NCGC00090690-02, NCGC00090690-03, NCGC00090690-04, NCGC00254196-01, NCGC00259405-01, AS-12581, CS-0204802, D1808, NS00007621, EN300-78451, 2,2-Bis(bromomethyl)-1,3-propanediol, 98%, C19199, Q26841193, F0001-0977, InChI=1/C5H10Br2O2/c6-1-5(2-7,3-8)4-9/h8-9H,1-4H2, 221-967-7

Application

2,2-Bis(bromomethyl)-1,3-propanediol serves as a key intermediate in the synthesis of flame-retardant additives for polymers and textiles. The compound’s dual bromomethyl groups enable efficient crosslinking in epoxy and polyurethane resin systems. Researchers also employ it as a building block for dendrimers and pharmaceutical intermediates requiring brominated neopentyl structures.

Safety and Hazards

GHS Hazard Statements

• H303: May be harmful if swallowed [Warning Acute toxicity, oral]
• H341: Suspected of causing genetic defects [Warning Germ cell mutagenicity]
• H351: Suspected of causing cancer [Warning Carcinogenicity]
• H361: Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]

Precautionary Statements

• P203, P280, P301+P317, P318, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (63.4%)
• Eye Irrit. 2A (95.7%)
• Muta. 1B (19.1%)
• Muta. 2 (75%)
• Carc. 1B (19.1%)
• Carc. 2 (23.3%)
• STOT RE 2 (17.7%)
• Aquatic Chronic 4 (17.7%)

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