4-Bromo-1-butanol

4-Bromo-1-butanol Basic information

Product Name:	4-Bromo-1-butanol
Synonyms:	TETRAMETHYLENE BROMOHYDRIN;4-BROMO-1-BUTANOL;4-BROMO-1-BUTANOL, 85+%;4-Bromo-1-butenol;4-Bromo-1-butanol (contains varying amounts of Tetrahydrofuran);4-Bromo-1-butanol ,98%;Tetramethylene bromohydrin, 1-Bromo-4-hydroxybutane;4-BroMo-1-butanol, tech., cont. varying aMounts of THF
CAS:	33036-62-3
MF:	C4H9BrO
MW:	153.02
EINECS:	251-355-5
Product Categories:	omega-Bromoalkanols;omega-Functional Alkanols, Carboxylic Acids, Amines & Halides
Mol File:	33036-62-3.mol

4-Bromo-1-butanol Chemical Properties

Boiling point	56-58
density	1.68
Fp	7 °C
refractive index	1.5035
storage temp.	-20°C
solubility	Chloroform (Sparingly), Methanol (Sparingly)
pka	14.98±0.10(Predicted)
form	Liquid
color	Yellow
Water Solubility	insoluble
Sensitive	Moisture & Light Sensitive
BRN	1839430
CAS DataBase Reference	33036-62-3(CAS DataBase Reference)
NIST Chemistry Reference	1-Butanol, 4-bromo-(33036-62-3)

Safety Information

Hazard Codes	F,Xi,Xn
Risk Statements	11-36/37/38-22
Safety Statements	26-37/39-16
RIDADR	UN 1987 3/PG 2
WGK Germany	3
F	8-10
Hazard Note	Irritant/Flammable
HazardClass	3
PackingGroup	III
HS Code	29055998

MSDS Information

Provider	Language
SigmaAldrich	English
ALFA	English

4-Bromo-1-butanol Usage And Synthesis

Description	4-Bromo-1-butanol can be prepared by azeotropic distillation of butane-1,4-diol with 47% HBr with a yield of about 65%.¹ 4-Bromo-1-butanol can be used to prepare 2-(4-bromo-butoxy)-tetrahydro-pyran by reacting with 3,4-dihydro-2H-pyran in the presence of amberlyst 15 and the menstruum hexane.¹ It reacts with dihydropyran to prepare tetrahydropyranyl ethers.²
Chemical Properties	Clear colorless to brown liquid
Uses	4-Bromo-1-butanol is used to prepare 2-(4-bromo-butoxy)-tetrahydro-pyran by reacting with 3,4-dihydro-2H-pyran in the presence of amberlyst 15 as a catalyst. It reacts with dihydropyran to prepare tetrahydropyranyl ethers.
Definition	ChEBI: 4-Bromo-1-butanol is a primary alcohol.

4-Bromo-1-butanol Preparation Products And Raw materials

Raw materials	Butane, 1-bromo-4-(1-methylethoxy)--->4-Bromobutyl acetate-->1-(p-carboMethoxyphenyl)-2-propanone
Preparation Products	1,4-Dibromobutane-->2-(4-Bromobutoxy)tetrahydro-2H-pyran-->4-bromobutyl nitrate

[S,(+)]-4-Bromo-2-butanol,(S)-4-Bromo-2-butanol DIMETHYL A-BROMOGLUTARATE 2,3,4-TRI-O-ACETYL-ALPHA-L-ARABINOPYRANOSYL BROMIDE 1-BROMO-2-BUTANOL,Containsca.20%2-Bromo-1-butanol,1-BROMO-2-BUTANOL: CONTAINS CA. 20% 2-BROMO-1-BUTANOL 1,6-DIBROMO-1,6-DIDEOXY-D-MANNITOL BROMOCONDURITOL 1,4-DIBROMO-2-BUTANOL 2,3,4,6-TETRA-O-BENZOYL-ALPHA-D-GLUCOPYRANOSYL BROMIDE [R,(-)]-4-Bromo-2-butanol [S,(+)]-1-Bromo-2-butanol CYCLOBUTANE 1-Bromo-4-methoxybutane (S)-4-BROMO-1,2-EPOXYBUTANE 1,5-DIBROMO-2-PENTYL ACETATE Ethyl 2,4-dibromobutyrate BROMO YOHIMBINE HBR [R,(+)]-2-Bromo-1-butanol TERT-BUTYL 2,4-DIBROMOBUTYRATE

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