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  7. 2,2-Dimethyl-1,3-propanediol, 99%

2,2-Dimethyl-1,3-propanediol, 99%

Catalog No. p-7080701
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AAA1034030 250 g
AAA1034036 500 g
AAA103400E 2500 g
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Catalog No. AAA1034030 Supplier Thermo Scientific Chemicals Supplier No. A1034030
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Description

CAS: 126-30-7 | C5H12O2 | 104.15 g/mol

Used for protection of carbonyl groups as 4,4-dimethyl-1,3-dioxanes, often preferred to the more usual 1,3-dioxolanes due to easier separation and greater stability, for protection of carbonyl group of 4-bromo-2-propanone using p-toluenesulfonic acid in the presence of triethyl orthoformate. It is used in the synthesis of polyesters, paints, lubricants, and plasticizers.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Used for protection of carbonyl groups as 4,4-dimethyl-1,3-dioxanes, often preferred to the more usual 1,3-dioxolanes due to easier separation and greater stability, for protection of carbonyl group of 4-bromo-2-propanone using p-toluenesulfonic acid in the presence of triethyl orthoformate. It is used in the synthesis of polyesters, paints, lubricants, and plasticizers.

Solubility
Soluble in water.

Notes
Hygroscopic. Incompatible with oxidizing agents, water/moisture.

Chemical Identifiers

CAS 126-30-7
Molecular Formula C5H12O2
Molecular Weight (g/mol) 104.15
MDL Number MFCD00004685
InChI Key SLCVBVWXLSEKPL-UHFFFAOYSA-N
Synonym neopentyl glycol, 2,2-dimethyl-1,3-propanediol, dimethylolpropane, neopentylene glycol, neopentanediol, neopentylglycol, 1,3-propanediol, 2,2-dimethyl, neol, hydroxypivalyl alcohol, dimethyltrimethylene glycol
PubChem CID 31344
IUPAC Name 2,2-dimethylpropane-1,3-diol
SMILES CC(C)(CO)CO

Specifications

Melting Point 125°C to 130°C
Density 1.042
Boiling Point 210°C to 212°C
Flash Point 103°C (217°F)
Odor Mild
Quantity 250 g
Beilstein 605291
Sensitivity Hygroscopic
Merck Index 14,6458
Solubility Information Soluble in water.
Formula Weight 104.15
Percent Purity 99%
Chemical Name or Material 2,2-Dimethyl-1,3-propanediol
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Safety and Handling

Hazard Category H318-H500
Hazard Statement GHS H Statement
H318
Causes serious eye damage.
Precautionary Statement P280-P305+P351+P338-P310
EINECSNumber 204-781-0
RTECSNumber TY5775000
TSCA Yes
Recommended Storage Ambient temperatures

RUO – Research Use Only