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3-Heptanone

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3-Heptanone

EINECS 203-388-1
CAS No. 106-35-4 Density 0.808 g/cm3
Solubility 3.3 g/L (20 °C) in water Melting Point -39 °C
Formula C7H14O Boiling Point 148.5 °C at 760 mmHg
Molecular Weight 114.21 Flash Point 41.1 °C
Transport Information UN 2810 6.1/PG 3 Appearance colourless liquid
Safety 36-24 Risk Codes 22-38-40-48/20/22-36-20-10
Molecular Structure Molecular Structure of 106-35-4 (3-Heptanone) Hazard Symbols HarmfulXn, IrritantXi
Synonyms

3-Oxoheptane;5-Heptanone;Butyl ethyl ketone;Ethyl butyl ketone;Ethyl n-butyl ketone;NSC8448;n-Butyl ethyl ketone;

 

3-Heptanone Chemical Properties

Empirical Formula: C7H14O
Molecular Weight: 114.1855 
EINECS: 203-388-1
Index of Refraction: 1.403
Density: 0.808 g/cm3
Flash Point: 41.1 °C
Enthalpy of Vaporization: 38.54 kJ/mol
Boiling Point: 148.5 °C at 760 mmHg
Vapour Pressure: 4.22 mmHg at 25 °C
Melting point: -39 °C
Storage temp: Flammables area
Water solubility: 3.3 g/L (20 ºC)
Appearance: Colorless odorless liquid with a mild fruity odor
Solubility: Miscible in Ethanol and Ether , lml dissolved in 70ml water
Product categories: Industrial/Fine Chemicals;ketone
Structure of Butyl ethyl ketone (CAS NO.106-35-4):
               

3-Heptanone Uses

 Butyl ethyl ketone (CAS NO.106-35-4) has been used as a solvent for nitrocellulose, and also used in organic synthesis.

3-Heptanone Production

 Butyl ethyl ketone (CAS NO.106-35-4) can be derived from the 3 - g alcohol and air by being heated to 300 ℃ and then through the silver screen.

3-Heptanone Toxicity Data With Reference

1.    

skn-rbt 500 mg open MLD

    UCDS**    Union Carbide Data Sheet. (Industrial Medicine and Toxicology Dept., Union Carbide Corp., 270 Park Ave., New York, NY 10017) 3/12 ,1969.
2.    

skn-rbt 500 mg/24H MOD

    FCTXAV    Food and Cosmetics Toxicology. 16 (1978),731.
3.    

eye-rbt 500 mg/24H MLD

    85JCAE    Prehled Prumyslove Toxikologie; Organicke Latky Marhold, J.,Prague, Czechoslovakia.: Avicenum,1986,286.
4.    

eye-rbt 100 mg MLD

    FCTXAV    Food and Cosmetics Toxicology. 16 (1978),731.
5.    

orl-rat LD50:2760 mg/kg

    JIHTAB    Journal of Industrial Hygiene and Toxicology. 31 (1949),60.
6.    

ihl-rat LCLo:2000 ppm/4H

    JIHTAB    Journal of Industrial Hygiene and Toxicology. 31 (1949),343.

Carcinogenicity of Butyl ethyl ketone (CAS NO.106-35-4) hasn't been listed as a carcinogen by NTP, IARC,ACGIH, or CA Prop 65. You can see actual entry in RTECS for complete information.

3-Heptanone Consensus Reports

Reported in EPA TSCA Inventory.

3-Heptanone Safety Profile

Moderately toxic by ingestion and inhalation. A skin and eye irritant. A flammable liquid. Can react with oxidizing materials. To fight fire, use foam, CO2, dry chemical. See also KETONES.
 

Hazard Codes: IrritantXiHarmfulXn
Risk Statements: 22-38-40-48/20/22-36-20-10 
R10:Flammable. 
R20:Harmful by inhalation. 
R22:Harmful if swallowed. 
R20/22:Harmful by inhalation and if swallowed. 
R36:Irritating to eyes. 
R38:Irritating to skin. 
R40:Limited evidence of a carcinogenic effect. 
R48:Danger of serious damage to health by prolonged exposure.
Safety Statements: 36-24 
S24:Avoid contact with skin. 
S36:Wear suitable protective clothing.
 

3-Heptanone Standards and Recommendations

OSHA PEL: TWA 50 ppm
ACGIH TLV: TWA 50 ppm; STEL 75 ppm
DOT Classification:  3; Label: Flammable Liquid

3-Heptanone Analytical Methods

For occupational chemical analysis use NIOSH: Ketones II (Desorption in 99:1 CS2:methanol) 1301.

3-Heptanone Specification

 Butyl ethyl ketone ,its cas register number is 106-35-4. It also can be called Ethyl-n-butyl ketone ; n-Butyl ethyl ketone ; Heptan-3-one and 3-Heptanone . It is reactive with many acids and bases liberating heat and flammable gases (e.g., H2). It is hazardous,so the first aid measures and others should be known. Such as: When on the skin: first,should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly,Get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While ,it's Inhaled: Remove from exposure and move to fresh air immediately.Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product : Wash mouth out with water,and get medical aid immediately.
In addition, Butyl ethyl ketone (CAS NO.106-35-4) can be stable under normal temperature and pressure conditions.It is not compatible with strong oxidizing agents, strong reducing agents, strong bases, and you must not take it with incompatible materials. And also prevent it to broken down into hazardous decomposition products: carbon dioxide, carbon monoxide.

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