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2-Bromobutanoic acid

HCID 6655
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Basic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
80-58-0
Standard SMILES
CCC(Br)C(=O)O
InChIKey
YAQLSKVCTLCIIE-UHFFFAOYSA-N
Molecular formula
C4H7BrO2
Average molar mass
167 g/mol
Monoisotopic mass
165.96294156

Names & identifiers

Preferred name
2-Bromobutanoic acid
IUPAC
2-bromobutanoic acid
English name
2-Bromobutyric acid
Molecular formula
C4H7BrO2
Molecular weight
167

Names & synonyms

2-Bromobutanoic acidRefChem:858572-BROMOBUTYRIC ACID80-58-0alpha-Bromobutyric acidButanoic acid, 2-bromo-2385-70-8Butyric acid, 2-bromo-Procaterol Impurity 8.alpha.-Bromobytyric acidMCO6PW23BT(+/-)-2-bromobutyric acid
Show more names
Procaterol 16AKOS BBS-00004219α-Bromobutyricacid2-bromo-butanoicacia-Bromobutyric Acidα-bromo-butanoic aciddl-2-Bromobutyricacid2-Bromobutyricacid,98%
.alpha.-Bromo-n-butyric acidButyric acid, .alpha.-bromo-NSC-80242-Bromobutanoicaciddl-2-Bromobutyric acidUNII-MCO6PW23BTButyric acid, alpha-bromo-bromobutyric acid

Database identifiers

CAS
80-58-0
PubChem CID
6655
DTXSID
DTXSID90861642
UNII
MCO6PW23BT
EC Number
201-294-5
Nikkaji
J38.169A

Properties

Computed structural properties

XLogP
1.4
Topological polar surface area
37.3 Ų
Hydrogen bond donors
1
Hydrogen bond acceptors
2
Rotatable bonds
2
Heavy atoms
7
Formal charge
0
Complexity
72.1

Experimental & physicochemical properties

Chemical ClassesOther Classes -> Organic Acids
LogP1.42
Vapor Pressure0.1 [mmHg]
Physical DescriptionOily liquid; [Merck Index]

Physicochemical properties

Melting point
-4 °C · -4 °C (lit.)
Boiling point
99 · 99-103 °C/10 mmHg (lit.)
Density
1.567 g/mL · 1.567 g/mL at 25 °C (lit.)
refractive index
20 · n20/D 1.474(lit.)
Flash point
230 °F · >230 °F
storage temp.
room temp
solubility
15 part · water: soluble15 part
form
Liquid
pka
1 · pK1: 2.939 (35°C)
color

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 4 items

Danger

H302 (94.4%): Harmful if swallowed [Warning Acute toxicity, oral]

P260, P264, P270, P280, P301+P317, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P330, P363, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 54 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory Information · 2 items

Status: Active Update: 12-12-2022 https://echa.europa.eu/registration-dossier/-/registered-dossier/20431

2-Bromobutyric acid: Does not have an individual approval but may be used under an appropriate group standard

Hazards SummaryCorrosive; [Merck Index] Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; Toxic by ingestion; [Alfa Aesar MSDS] See 3-Bromopropionic acid.
Hazard Classes and CategoriesAcute Tox. 4 (94.4%)

Toxicology

Adverse EffectsDermatotoxin - Skin burns.

Safety data

PPE
Eyeshields, Faceshields, Gloves
wgk
3
tsca
TSCA listed
ridadr
3265
hs_code
29349990

Chemistry & industry

Uses & manufacturing

General Manufacturing InformationButanoic acid, 2-bromo-: ACTIVE

Applications

Uses2-Bromobutyric acid was used in the synthesis of S-(1-carboxypropyl)-L-cysteine.

Upstream & downstream products

Upstream raw materials

Butyric AcidBromine

Downstream products

(±)-N-(2,6-dimethylphenyl)-2-(ethylpropylamino)butyramide monohydrochloride2-Ethylacrylic acid 982-bromo-N-(2-chlorobenzyl)butanamideButanoic acid, 2-(hydroxyimino)-, (E)- (9CI)2-(4-tert-Butylphenoxy)butanoic acid2-Ethyl-2H-benzo[b][1,4]oxazin-3(4H)-one

Related reactions

61 records
New reaction record
HRID 46053 reaction equation
HRID 46053As reactantuspto-grants-2013_09
HRID 46054 reaction equation
HRID 46054As reactantuspto-grants-2013_09
HRID 46055 reaction equation
HRID 46055As reactantuspto-grants-2013_09
HRID 46078 reaction equation
HRID 46078As reactantuspto-grants-2013_09
HRID 46079 reaction equation
HRID 46079As reactantuspto-grants-2013_09
HRID 46082 reaction equation
HRID 46082As reactantuspto-grants-2013_09
HRID 46083 reaction equation
HRID 46083As reactantuspto-grants-2013_09
HRID 110295 reaction equation
HRID 110295As reactantTraining data from https://doi.org/10.1039/C8SC04228D (2/10)
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Compound notes

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On this pageBasic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Clear yellow
Water Solubility
66 g/L · 66 g/L (20 ºC)
Merck
14 · 14,1413
BRN
1720950 · 1720950
Dielectric constant
7.2 · 7.2(20℃)
Major Application
environmental
InChI
1S/C4H7BrO2/c1-2-3(5)4(6)7/h3H,2H2,1H3,(H,6,7)
InChIKey
YAQLSKVCTLCIIE-UHFFFAOYSA-N
CAS DataBase Reference
80 · 80-58-0(CAS DataBase Reference)
FDA UNII
6 PW23BT · MCO6PW23BT
NIST Chemistry Reference
2 · 2-Bromobutyric acid(80-58-0)
EPA Substance Registry System
2 · 2-Bromobutyric acid (80-58-0)
UNSPSC Code
77101502 · 77101502
NACRES
24 · NA.24
Symbol(GHS)
5 · GHS05,GHS07
Signal word
Danger
Hazard statements
302 · H302-H314
Precautionary statements
270 · P270-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
PPE
Eyeshields, Faceshields, Gloves
Hazard Codes
Xn,C,F
Risk Statements
22 · 22-36/37/38-34-38-11
Safety Statements
26 · 26-28A-24-16-9-2-45-36/37/39
RIDADR
3265 · 3265
WGK Germany
3 · 3
TSCA
TSCA listed
HazardClass
8 · 8
PackingGroup
II
HS Code
29349990 · 29349990
Storage Class
3 · 3 - Flammable liquids
Hazard Classifications
2 · Skin Irrit. 2
Toxicity
50 orally · LD50 orally in mice: 310 mg/kg (Morrison)
REACH Registrations
Active
Limited Quantities
1 L · 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid)
Excepted Quantities
Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
Toxicity
LD50 orally in mice: 310 mg/kg (Morrison)
risk_code
22-36/37/38-34-38-11
Signal word
Danger
Symbol(GHS)
GHS05,GHS07
hazard_code
Xn,C,F
safety_code
26-28A-24-16-9-2-45-36/37/39
hazard_class
8
Storage Class
3 - Flammable liquids
packing_group
II
Hazard statements
H302-H314
Limited Quantities
1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid)
Excepted Quantities
Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
REACH Registrations
Active
Hazard Classifications
Skin Irrit. 2
Precautionary statements
P270-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338