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2-Bromopropane

2-Bromopropane

CAS: 75-26-3

Molecular Formula: C3H7Br

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2-Bromopropane - Names and Identifiers

Name 2-Bromopropane
Synonyms 2-Bromopropane
2-BROMOPROPANE
2-bromo-propane
bromo-2-propane
Isopropyl bromide
ISOPROPYL BROMIDE
sec-Propyl bromide
2-BromopropaneForSynthesis
2-BROMOPROPANE, STANDARD FOR GC
Iso-propyl bromide(2-bromopropane)
CAS 75-26-3
EINECS 200-855-1
InChI InChI=1/C3H7Br/c1-3(2)4/h3H,1-2H3
InChIKey NAMYKGVDVNBCFQ-UHFFFAOYSA-N

2-Bromopropane - Physico-chemical Properties

Molecular FormulaC3H7Br
Molar Mass122.99
Density1.31 g/mL at 25 °C (lit.)
Melting Point-89 °C (lit.)
Boling Point59 °C (lit.)
Flash Point67°F
Water Solubility0.3 g/100 mL
Solubility 3.18g/l
Vapor Presure224 hPa (20 °C)
AppearanceLiquid
ColorClear colorless to very light brown
Merck14,5210
BRN741852
Storage ConditionStore below +30°C.
StabilityStable. Flammable. Incompatible with strong oxidizing agents.
Explosive Limit4.6%(V)
Refractive Indexn20/D 1.425(lit.)
Physical and Chemical PropertiesDensity 1.31
melting point -89°C
boiling point 59°C
refractive index 1.425-1.427
flash point 1°C
water-soluble 0.3g/100 mL

UseFor organic synthesis, medicine, pesticide intermediates

2-Bromopropane - Risk and Safety

Risk CodesR60 - May impair fertility
R11 - Highly Flammable
R48/20 -
R66 - Repeated exposure may cause skin dryness or cracking
Safety DescriptionS53 - Avoid exposure - obtain special instructions before use.
S16 - Keep away from sources of ignition.
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
UN IDsUN 2344 3/PG 2
WGK Germany1
RTECSTX4111000
TSCAYes
HS Code29033036
Hazard Class3
Packing GroupII

2-Bromopropane - Nature

Open Data Verified Data

colorless volatile liquid. The relative density is 1. 3140(20 ℃). Melting Point -89 °c. Boiling Point 59. 38 °c. Refractive index 1.4251(20 degrees C). Slightly soluble in water, with alcohol, ether, benzene, chloroform miscible.

Last Update：2024-01-02 23:10:35

2-Bromopropane - Preparation Method

Open Data Verified Data
  1. isopropanol-hydrobromide method
  2. isopropanol-sodium bromide method
Last Update：2022-01-01 10:14:34

2-Bromopropane - Use

Open Data Verified Data

It is used for the manufacture of medicines, pesticides (dioxadiazine) and the like.

Last Update：2022-01-01 10:14:33

2-Bromopropane - Safety

Open Data Verified Data

The toxicity of this product is lower than 1 A bromine propane. Mice died after inhalation for 36 min at a concentration of 1000 x 10 -6. By high heat decomposition of toxic gases. 250kg iron drum packaging. Same as 1 bromopropane.

Last Update：2022-01-01 10:14:34

2-Bromopropane - Reference Information

NIST chemical information information provided by: webbook.nist.gov (external link)
EPA chemical substance information information provided by: ofmpeb.epa.gov (external link)
Application 2-Bromopropane is the insecticide fenvalerate, fenvalerate, propoxur, bactericide, rustamine, fluoroamide and herbicide, an intermediate of the phosphorus of sarcandra.
used in organic synthesis and pharmaceutical industry
used in organic synthesis and pharmaceutical, pesticide intermediates
used in organic synthesis, pharmaceutical, pesticide intermediates
used as Grignard reagents and raw materials, intermediates of drugs and dyes are also used in the manufacture of pesticides (bisulfate) and the like.
production method from isopropyl alcohol and hydrobromic acid reaction. Slowly add isopropyl alcohol into concentrated sulfuric acid under cooling, control the temperature below 30 ℃, add hydrobromic acid after adding, slowly heat and reflux for 4H, and then distill the appearance of oil droplets, the obtained crude product was washed with concentrated sulfuric acid, water and 5% sodium carbonate respectively, then dried, filtered and fractionated with anhydrous sodium carbonate, and the 58.5-60.5 ° C. Fraction was collected as the finished product. In addition, there is an isopropyl alcohol-sodium bromide method.
The preparation method is derived from the reaction of isopropyl alcohol and hydrobromic acid. The reaction equation is as follows:(CH3)2CHOH + HBr[H2SO4]→(CH3)2CHBr + H2O isopropanol is slowly added to concentrated sulfuric acid under cooling, and the temperature is controlled below 30 ℃, after the addition, hydrobromic acid was added, and the mixture was slowly heated and refluxed for 4 h, then distilled until oil droplets appeared. The crude product was washed with concentrated sulfuric acid, water and 5% sodium carbonate respectively, and then dried with anhydrous sodium carbonate, filtration, fractionation, collection of 58.5~60.5 °c fraction, that is, the finished product.
category flammable liquid
toxicity grade poisoning
Acute toxicity intraperitoneal-mouse LD50: 4837 mg/kg
flammability hazard characteristics flammable; Hyperthermic decomposition of toxic bromide gases
storage and transportation characteristics The warehouse is ventilated and dried at low temperature; It is stored separately from the oxidant
fire extinguishing agent foam, carbon dioxide, sand, dry powder
toxic substance data information provided by: pubchem.ncbi.nlm.nih.gov (external link)
Last Update：2024-04-10 22:29:15
2-Bromopropane
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Spot supply
Product Name: *TAK438 Impurity 82 Visit Supplier Webpage Request for quotation
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Tel: 0714-3999186
Email: 2853786052@qq.com
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2-Bromopropane
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