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2,6-Dimethyl-4-heptanone108-83-8

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CAS No.:

108-83-8

Grade:

Pharmaceutical Grade

Content:

99.5%

Port:

上海

Brand:

OORENT

Packaging:

Vial/Bottle/Bag/Carton

Price valid (until):

2026-07-17

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Qingdao Orient Chemical Co.,LTD

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Product Description
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Description

Product Detail

2,6-Dimethyl-4-heptanone Basic information

Product Name:	2,6-Dimethyl-4-heptanone
Synonyms:	2,6-DIMETHYL-4-HEPTANONE;2,6-Dimethyl-4-heptanone, remainder mainly 4,6-dimethyl-2-heptanone;Diisobutyl ketone~Isovalerone;Dimethylheptanone;2 6-DIMETHYL-4-HEPTANONE 99+%;2,6-DIMETHYL-4-HEPTANONE, TECH., 80%;2,6-Dimethyl-4-Heptanone,Purified;2,6-Dimethyl-4-heptanone, remainder mainly 4,6-dimethyl-2-heptanone, tech., 80%
CAS:	108-83-8
MF:	C9H18O
MW:	142.24
EINECS:	203-620-1
Product Categories:
Mol File:	108-83-8.mol

2,6-Dimethyl-4-heptanone Chemical Properties

Melting point	-46 °C
Boiling point	165-170 °C(lit.)
density	0.808 g/mL at 25 °C(lit.)
vapor density	4.9 (vs air)
vapor pressure	1.7 mm Hg ( 20 °C)
refractive index	n20/D 1.412(lit.)
FEMA	3537 \| 2,6-DIMETHYL-4-HEPTANONE
Fp	120 °F
storage temp.	Store below +30°C.
solubility	Miscible with ethanol, ether, carbon tetrachloride, chloroform, benzene and most organic liquids.
form	Liquid
color	Clear colorless to slightly yellow
Specific Gravity	0.810 (20/4℃)
Odor	Sweet Pineapple-Banana-like fruity taste, but with a somewhat harsh chemical note.
Odor Type	green
biological source	synthetic
explosive limit	0.8-6.2%, 100°F
Water Solubility	0.05 g/100 mL
JECFA Number	302
BRN	1743163
Henry's Law Constant	6.36(x 10^-4 atmm³/mol) at 20 °C (approximate - calculated from water solubility and vapor pressure)
Exposure limits	ACGIH:TLV-TWA 25 ppm (145 mg/m3) OSHA:PEL-TWA 50 ppm (290 mg/m3) NIOSH:REL-TWA 25 ppm
Dielectric constant	9.9100000000000001
Stability:	Stable. Flammable. Incompatible with strong oxidizing agents.
Major Application	flavors and fragrances
Cosmetics Ingredients Functions	PERFUMING
InChI	1S/C9H18O/c1-7(2)5-9(10)6-8(3)4/h7-8H,5-6H2,1-4H3
InChIKey	PTTPXKJBFFKCEK-UHFFFAOYSA-N
SMILES	CC(C)CC(=O)CC(C)C
LogP	3.71 at 20℃
CAS DataBase Reference	108-83-8(CAS DataBase Reference)
NIST Chemistry Reference	4-Heptanone, 2,6-dimethyl-(108-83-8)
EPA Substance Registry System	Diisobutyl ketone (108-83-8)

Safety Information

Hazard Codes	Xi
Risk Statements	10-37
Safety Statements	24
RIDADR	UN 1157
OEB	A
OEL	TWA: 25 ppm (150 mg/m3)
WGK Germany	1
RTECS	MJ5775000
Autoignition Temperature	745 °F
TSCA	TSCA listed
HazardClass	3
PackingGroup	III
HS Code	29141990
Storage Class	3 - Flammable liquids
Hazard Classifications	Flam. Liq. 3 STOT SE 3
Hazardous Substances Data	108-83-8(Hazardous Substances Data)
Toxicity	LD50 orally in Rabbit: 5750 mg/kg LD50 dermal Rabbit 16000 mg/kg
IDLH	500 ppm

MSDS Information

Provider	Language
2,6-Dimethyl-4-heptanone	English
SigmaAldrich	English
ACROS	English
ALFA	English

2,6-Dimethyl-4-heptanone Usage And Synthesis

Description	2, 6-Dimethyl-4-heptanone, also known as diisobutyl ketone, belongs to the family of ketones, being a flavoring ingredient. It can also be used as the extraction solvent for the determination of ten trace metals (V, Cr, Fe, Co, Ni, Cu, Zn, Mo, Cd, Pb) in aqueous samples with plasma atomic emission spectrometry. Similar logic can also be applied to the measurement of phosphorus using 2, 6-dimethyl-4-heptanone as the extraction agent. It is also an important organic solvent widely used as industrial intermediates.
Chemical Properties	5-Methyl-3-heptanone is a colorless liquid with low solubility in water (0.3 wt %); water is poorly soluble in the ketone (0.9 wt %). 5-Methyl-3-heptanone is highly soluble in common organic solvents.
Physical properties	Clear, colorless liquid with a mild, sweet, ether-like odor. Odor threshold concentration is 0.11 ppm (quoted, Amoore and Hautala, 1983).
Occurrence	Reported found in baked potato and wheaten bread.
Uses	2,6-Dimethyl-4-heptanone is used as a coating solvent. It is an active component of mint oil. It acts as a dispersant for organosol type resins. It is involved in the antigerminative treatment of bulbs and tubers. Further, it is used as a solvent for nitrocellulose. In addition to this, it acts as an intermediate in the preparation of inhibitors, active pharmaceutical ingredients and dyes.
Uses	Diisobutyl ketone is used as a solvent fornitrocellulose, lacquers, and synthetic resins;in organic syntheses.
Uses	Diisobutyl ketone (DIBK) is a transparent liquid with a distinct odor and a high boiling point. It is an heavy-end byproduct of producing MIBK. DIBK is used in many applications such as nitrocellulose lacquers, synthetic resins, coatings and stains, paint strippers, leather finishings, adhesives, printing and coating inks, cleaning and dregreasing, Flavors and fragrances, solvent and re-crystallization aid for pharmaceuticals, mining, and as a chemical intermediate. DIBK has good activity for many synthetic resins including nitrocellulose, rosin esters, phenolics, hydrocarbons, alkyds, polyesters, and acrylics. It is useful as a retarder solvent to improve flow and minimize humidity blushing. The low density and low surface tension of DIBK enables formulators to develop high-solids coatings with low VOC content and excellent flow and leveling properties. DIBK has excellent viscosity reduction for and reduces surface tension in high solid’s coatings. It has good volume-to-weight advantage over other classes of solvents used in coatings. It is a non-HAP (Hazardous Air Pollutant) solvent.
Uses	Diisobutyl Ketone is a component of mint oil and L-carvone solutions for fungicidal and antigerminative treatment of bulbs and tubers.
Production Methods	Diisobutyl ketone is produced by hydrogenation of phorone or by metal-catalyzed decomposition of isovaleric acid.It is also a by-product in the manufacture of methyl isobutyl ketone.
Definition	ChEBI: 2-Methyl-4-heptanone is a ketone.
Synthesis Reference(s)	Journal of the American Chemical Society, 95, p. 6876, 1973 DOI: 10.1021/ja00801a081
General Description	A clear colorless liquid. Flash point 140°F. Less dense than water and insoluble in water. Vapors heavier than air.
Air & Water Reactions	Flammable. Insoluble in water.
Reactivity Profile	2,6-Dimethyl-4-heptanone may attack some plastics. 2,6-Dimethyl-4-heptanone reacts with oxidizers.
Health Hazard	Inhalation of vapor causes irritation of nose and throat. Ingestion causes irritation of mouth and stomach. Vaporirritates eyes. Contact with liquid irritates skin.
Health Hazard	Inhalation of the vapors of diisobutyl ketonecan produce irritation of the eyes, nose, andthroat. At 25 ppm its odor was unpleasant, but the irritation effect on humanswas insignificant. At 50 ppm the irritationwas mild. A 7- hour exposure to 125 ppmhad no adverse effect on rats; however, at250 ppm, female rats developed increasedliver and kidney weights. An 8-hour exposure to 2000 ppm was lethal. Ingestion ofthis compound can cause the symptoms ofheadache, dizziness, and dermatitis. LD50 value, oral (rats): 5.8 g/kg.
Flammability and Explosibility	Not classified
Chemical Reactivity	Reactivity with Water No reaction; Reactivity with Common Materials: May attack some forms of plastics; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.
Safety Profile	Moderately toxic by ingestion and inhalation. Mddly toxic by skin contact. Human systemic effects by inhalation: headache, nausea or vomiting, and unspecified eye effects. An eye and skin irritant. Narcotic in high concentrations. Flammable liquid when exposed to heat or flame; can react with oxidizing materials. To fight fire, use Con, dry chemical, water spray, mist or fog. When heated to decomposition it emits acrid smoke and fumes. See also KETONES.
Potential Exposure	Human Data;Primary Irritant. Diisobutyl ketone is used as a solvent; as a dispersant for resins; and as an intermediate in the synthesisof pharmaceuticals and pesticides.
First aid	If this chemical gets into the eyes, remove anycontact lenses at once and irrigate immediately for at least15 min, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the
Environmental fate	Biological. Using the BOD technique to measure biodegradation, the mean 5-d BOD value (mM BOD/mM diisobutyl ketone) and ThOD were 4.86 and 37.4%, respectively (Vaishnav et al., 1987). Chemical/Physical. Diisobutyl ketone will not hydrolyze because it has no hydrolyzable functional group. At an influent concentration of 300 mg/L, treatment with GAC resulted in nondetectable concentrations in the effluent. The adsorbability of the carbon used was 60 mg/g carbon (Guisti et al., 1974).
storage	Color Code—Red: Flammability Hazard: Store ina flammable liquid storage area or approved cabinet awayfrom ignition sources and corrosive and reactive materials. Prior to working with DIBK you should be trained on itsproper handling and storage. Before entering confined spacewhere DIBK may be present, check to make sure that anexplosive concentration does not exist. Store in tightlyclosed containers in a cool, well-ventilated area. Metal containers involving the transfer of this chemical should begrounded and bonded. Where possible, automatically pumpliquid from drums or other storage containers to processcontainers. Drums must be equipped with self-closingvalves, pressure vacuum bungs, and flame arresters. Useonly nonsparking tools and equipment, especially whenopening and closing containers of this chemical. Sources ofignition, such as smoking and open flames, are prohibitedwhere this chemical is used, handled, or stored in a mannerthat could create a potential fire or explosion hazard.Wherever this chemical is used, handled, manufactured, orstored, use explosion-proof electrical equipment andfittings.
Shipping	This compound requires a shipping label of“FLAMMABLE LIQUID.” It falls in Hazard Class 3 andPacking Group II.
Incompatibilities	Forms explosive mixture with air.Incompatible with strong acids, aliphatic amines, strongoxidizers. Attacks some forms of plastics, coatings, andrubber.
Toxics Screening Level	The Initial Threshold Screening Level (ITSL) for diisobutyl ketone (DIBK; also known as 2,6-dimethyl-4-heptanone) is 1500 μg/m3 with 8-hr averaging time.
Waste Disposal	Incineration, molten metal salt destruction.
References	Bone, K. M., and W. D. Hibbert. "Solvent extraction with ammonium pyrrolidinedithiocarbamate and 2,6-dimethyl-4-heptanone for the determination of trace metals in effluents and natural waters." Analytica Chimica Acta 107.JUN(1979):219-229. Miyazaki, Akira, A. Kimura, and Y. Umezaki. "Determination of ng ml-1 levels of phosphorus in waters by diisobutyl ketone extraction and inductively coupled plasma atomic emission spectrometry." Analytica Chimica Acta 127.96(1981):93-101. Zhang, Fagen, et al. "Comparative metabolism and pharmacokinetics of diisobutyl ketone and diisobutyl carbinol in male SD rats." Toxicology Letters 232.1(2015):175-181.

2,6-Dimethyl-4-heptanone Preparation Products And Raw materials

Raw materials	Phorone
Preparation Products	5-CHLORO-1H-INDAZOLE-3-CARBOXYLIC ACID-->2,6-DIMETHYL-3-HEPTENE-->4-ETHYNYL-2,6-DIMETHYL-4-HEPTANOL-->1-isobutyl-3-methylbutylamine-->2,6-Dimethyl-4-propyl-4-heptanol

Shop Semaglutide 910463-68-2C187H291N45O59-Detailed Image 3

colourless liquid2, 6-Dimethyl-4-heptanone, also known as diisobutyl ketone, belongs to the family of ketones, being a flavoring ingredient. It can also be used as the extraction solvent for the determination of ten trace metals (V, Cr, Fe, Co, Ni, Cu, Zn, Mo, Cd, Pb) in aqueous samples with plasma atomic emission spectrometry. Similar logic can also be applied to the measurement of phosphorus using 2, 6-dimethyl-4-heptanone as the extraction agent. It is also an important organic solvent widel

Basic Info

Product Name:

Isobutyl ketone

Other Name:

4-Heptanone,2,6-dimethyl-;2,6-Dimethyl-4-heptanone;DIBK;Diisobutyl ketone;s-Diisopropylacetone;Isobutyl ketone;Isovalerone;DIBC;NSC 15136;NSC 406913;958635-42-2

CAS No.:

108-83-8

Molecular Formula:

C9H18O

InChIKeys:

InChIKey=PTTPXKJBFFKCEK-UHFFFAOYSA-N

Molecular Weight:

142.24

Exact Mass:

142.24

BRN:

1743163

EC Number:

203-620-1

UNII:

V52W30H1BU

ICSC Number:

0713

NSC Number:

406913|15136

UN Number:

1157

DSSTox ID:

DTXSID4025080

Color/Form:

WATER CLEAR LIQUID|Colorless oil|Colorless liquid

HScode:

29141990

Categories:

Bulk Drug Intermediates

Characteristics

PSA:

17.1

XLogP3:

2.56 (est)

Appearance:

Clear colorless to slightly yellow Liquid

Density:

0.8062 g/cm³ @ Temp: 20 °C

Melting Point:

-41.5 °C

Boiling Point:

168 °C

Flash Point:

120 °F

Refractive Index:

n 20/D 1.412(lit.)

Water Solubility:

H2O: 0.05 g/100 mL.Miscible with ethanol, ether, carbon tetrachloride, chloroform, benzene and most organic liquids.

Storage Conditions:

Flammables area

Vapor Pressure:

1.7 mm Hg ( 20 °C)

Vapor Density:

4.9 (vs air)

Toxicity:

Oral-rat LD50: 5750 mg/kg; Oral-Mouse LD50: 1416 mg/kg

Flammability characteristics:

combustible

Explosive limit:

0.8-6.2%, 100°F

Odor:

Peppermint odor

OH:

2.60e-11 cm3/molecule*sec

Henrys Law Constant:

Henry's Law constant = 1.17X10-4 atm-cu m/mol at 25 °C (est)

Experimental Properties:

Saturation concentration in air: 9.3 g/cu m at 20 °C; 17 g/cu m at 30 °C|Air pollution factors: 1 mg/cu m = 0.172 ppm, 1 ppm = 5.81 mg/cu m|May attack some forms of plastics|LOW VOLATILITY|For more Other Experimental Properties (Complete) data for DIISOBUTYL KETONE (9 total), please visit the HSDB record page.

Air and Water Reactions:

Flammable. Insoluble in water.

Reactive Group:

Ketones

Reactivity Alerts:

Highly Flammable

Reactivity Profile:

DIISOBUTYL KETONE may attack some plastics. It reacts with oxidizers. (NTP, 1992)

Autoignition Temperature:

745 °F (USCG, 1999)|745 °F (396 °C)|396 °C

Heat of Combustion:

-16,040 BTU/LB= -8,910 CAL/G= -373X10+5 J/KG

Ionization Potential:

9.04 eV

Flammable Limits:

Lower flammable limit: 0.8% by volume @ 200 °F (93 °C); Upper flammable limit: 7.1% by volume @ 200 °F (93 °C)|Class II Combustible Liquid: Fl.P. at or above 100°F and below 140°F.

Heat of Vaporization:

121 BTU/LB= 67 CAL/G= 2.8X10+5 J/KG

See More Isobutyl ketone Properties 

Hazard Identification

Classification of the substance or mixture

Flammable liquids, Category 3

Specific target organ toxicity â single exposure, Category 3

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H226 Flammable liquid and vapour H335 May cause respiratory irritation
Prevention	P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof [electrical/ventilating/lighting/...] equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P271 Use only outdoors or in a well-ventilated area.
Response	P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse affected areas with water [or shower]. P370+P378 In case of fire: Use ... to extinguish. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P319 Get medical help if you feel unwell.
Storage	P403+P235 Store in a well-ventilated place. Keep cool. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

NO open flames, NO sparks and NO smoking. Above 49Â°C use a closed system, ventilation and explosion-proof electrical equipment. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Fireproof. Separated from strong oxidants.MATERIALS WHICH ARE TOXIC AS STORED OR WHICH CAN DECOMPOSE INTO TOXIC COMPONENTS ... SHOULD BE STORED IN A COOL, WELL VENTILATED PLACE, OUT OF THE DIRECT RAYS OF THE SUN, AWAY FROM AREAS OF HIGH FIRE HAZARD, AND SHOULD BE PERIODICALLY INSPECTED. IMCOMPATIBLE MATERIALS SHOULD BE ISOLATED.

See More Isobutyl ketone Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
pharmaceutical intermediates,peptides,electronic chemicals

Location:
Room 102, 1st Floor, East Office Building, No. 45 Pengwan Road, Qianwan Bonded Port Area, Qingdao Zone, China (Shandong) Pilot Free Trade Zone

Payment Terms:
100% TT in advance

Average lead Time:
10

Total Annual Revenue:
$10 million-$25 million

Total Employees:
51-100

Year of Establishment:
2024

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We are mainly specilized in supply of pharmaceutical intermediates, electronic chemicals，food additives, and other fine chemical products.
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Website: orientchem.cc
Email: scarlett@orientchem.cc
WhatsApp: +86 17753254221

Inquiry History

7 Inquiries

Country	Product	Purchase Quantity	Date Posted
Germany	Diisobutyl Ketone	6000 L	Jul 17, 2025
Italy	Diisobutyl Ketone (DIBK)	24 MT	Feb 10, 2025
Thailand	DIBK	19 20' Fcl	Jan 3, 2024
Burkina-faso	Diisobutyl Ketone (DIBK)	1 20' Fcl	Jun 20, 2025
Vietnam	Diisobutyl ketone	1.00 20' Fcl	Apr 16, 2026
Indonesia	Diisobutyl ketone (DIBK)	2 20' Fcl	May 24, 2024
Turkey	Isobutyl ketone.	2000 L	Nov 14, 2023

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2,6-Dimethyl-4-heptanone108-83-8

Product Description

Seller Information