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3,7-Dimethyl-1-octanol

HCID 7792
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Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
106-21-8
Standard SMILES
CC(C)CCCC(C)CCO
InChIKey
PRNCMAKCNVRZFX-UHFFFAOYSA-N
Molecular formula
C10H22O
Average molar mass
158.28 g/mol
Monoisotopic mass
158.16706532

Overview

(R)-Dihydrocitronellol is an aliphatic alcohol.

Names & identifiers

Preferred name
3,7-Dimethyl-1-octanol
IUPAC
3,7-dimethyloctan-1-ol
English name
3,7-Dimethyl-1-octanol
Molecular formula
C10H22O
Molecular weight
158.28

Names & synonyms

3,7-Dimethyloctan-1-ol3,7-Dimethyl-1-octanol106-21-8TetrahydrogeraniolDihydrocitronellolGeraniol tetrahydride1-OCTANOL, 3,7-DIMETHYL-Dimethyl octanolGeraniol, perhydro-FEMA No. 2391DTXSID5044360DPY9K1927C
Show more names
FEMA 23913,7-dimethyl-octan-1-olPeralgolNSC 18917
NSC-18917DTXCID3024360RefChem:587712203-374-5DimethyloctanolPelargolPerhydrogeraniol2,6-Dimethyl-8-octanol

Database identifiers

CAS
106-21-8、1117-60-8、1333-49-9、68680-98-8
PubChem CID
7792
DTXSID
DTXSID5044360
ChEMBL
CHEMBL3181881
ChEBI
CHEBI:195928
UNII
DPY9K1927C
EC Number
203-374-5、215-593-3
Nikkaji
J37.634E

Properties

Computed structural propertiesFilling in

XLogP
3.6
Topological polar surface area
20.2 Ų
Hydrogen bond donors
1
Hydrogen bond acceptors
1
Rotatable bonds
6
Heavy atoms
11
Formal charge
0
Complexity
78.9

Experimental & physicochemical properties

LipidsFatty Acyls [FA] -> Fatty alcohols [FA05]
FragrancesFragrance Ingredient (3,7-Dimethyl-1-octanol) -> IFRA transparency List
Food AdditivesFLAVORING AGENT OR ADJUVANT -> FDA Substance added to food
Density0.826-0.842
Flavoring AgentsEU Flavoring substances
Solubility · 2 items

soluble in most fixed oils and propylene glycol; insoluble in glycerol

1 ml in 3 ml 70% alcohol (in ethanol)

Boiling Point213 °C
Refractive Index1.435-1.445
Physical Description · 2 items

Liquid

colourless liquid with a sweet, rose-like odour

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 · 5 items

This chemical does not meet GHS hazard criteria for 3.5% (63 of 1818) of reports.

Warning

H315 (96.5%): Causes skin irritation [Warning Skin corrosion/irritation]

P264, P264+P265, P273, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, P362+P364, P391, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 1818 reports by companies from 14 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Hazard information

Regulatory Information · 6 items

Chemical: 1-Octanol, 3,7-dimethyl-

Chemical: 1-Octanol, dimethyl-

Regulation (EC) No 1831/2003 (amended)

1-Octanol, 3,7-dimethyl- is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 1-Octanol, 3,7-dimethyl- are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

Status: Active Update: 25-05-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/11720

Tetrahydrogeraniol: Does not have an individual approval but may be used under an appropriate group standard

Other Safety Information · 2 items

Evaluation - Chemicals that are unlikely to require further regulation to manage risks to environment

Evaluation - Chemicals that are unlikely to require further regulation to manage risks to environment

Hazard Classes and CategoriesSkin Irrit. 2 (96.5%)

Safety data

PPE
Eyeshields, Gloves, type ABEK (EN14387) respirator filter

Chemistry & industry

Pharmacology

Cellular LocationsExtracellular

Uses & manufacturing

U.S. Production2023: <75,000 lb
Consumer UsesFragrance
Industry UsesOther
Household ProductsInformation on 15 consumer products that contain Dihydrocitronellol in the following categories is provided:
Use Classification · 4 items

Fragrance Ingredients

Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes

Flavoring Agents -> JECFA Flavorings Index

Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes

General Manufacturing Information · 3 items

All Other Chemical Product and Preparation Manufacturing

1-Octanol, 3,7-dimethyl-: ACTIVE

1-Octanol, dimethyl-: ACTIVE

Applications

Uses3,7-Dimethyl-1-octanol was employed as medium supplement in the anaerobic enrichment cultures of Pseudomonas citronellolis.2

General Description3,7-Dimethyl-1-octanol is an fragrance ingredient and its toxicologic and dermatologic review as a fragrance ingredient was reported.

Preparation methods

PreparationUsually prepared by hydrogenation of geraniol, citronellol or citronellal.

Upstream & downstream products

Related reactions

22 records
New reaction record
HRID 5629 reaction equation
HRID 5629As productuspto-grants-1993_09
HRID 84059 reaction equation
HRID 84059As reactantuspto-grants-2014_09
HRID 84062 reaction equation
HRID 84062As reactantuspto-grants-2014_09
HRID 91447 reaction equation
HRID 91447As reactantTraining data from https://doi.org/10.1039/C8SC04228D (2/10)
HRID 203706 reaction equation
HRID 203706As reactantTraining data from https://doi.org/10.1039/C8SC04228D (6/10)
HRID 249640 reaction equation
HRID 249640As reactantuspto-grants-2011_01
HRID 974708 reaction equation
HRID 974708As reactantuspto-grants-1997_03
HRID 990178 reaction equation
HRID 990178As reactantuspto-grants-2002_10
Page 1 of 3

Compound notes

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Physicochemical properties

Melting point
-1.53 °C · -1.53°C (estimate)
Boiling point
98 · 98-99 °C/9 mmHg (lit.)
Density
0.828 g/mL · 0.828 g/mL at 20 °C (lit.)
vapor density
5.4 · 5.4 (vs air)
vapor pressure
0.01 mm · <0.01 mm Hg ( 20 °C)
refractive index
20 · n20/D 1.436(lit.)
FEMA
2391 · 2391 | 3,7-DIMETHYL-1-OCTANOL
FLAVIS Number
2.026 · 02.026 | 3,7-Dimethyloctan-1-ol
Flash point
203 °F · 203 °F
storage temp.
Sealed in dry,Room Temperature
solubility
Insoluble in water, soluble in alcohol and oils.
form
Liquid
pka
15.13 · 15.13±0.10(Predicted)
color
Clear colorless
Odor
100 % · at 100.00 %. waxy soapy aldehydic leathery musty citrus green
Odor Type
floral
biological source
synthetic
Water Solubility
64 mg/L · 64mg/L at 20℃
JECFA Number
272 · 272
BRN
1719638 · 1719638
Henry's Law Constant
3.3 · 3.3×10-2 mol/(m3Pa) at 25℃, Yaws (2003)
Cosmetics Ingredients Functions
FRAGRANCEPERFUMING
InChI
1S/C10H22O/c1-9(2)5-4-6-10(3)7-8-11/h9-11H,4-8H2,1-3H3
InChIKey
PRNCMAKCNVRZFX-UHFFFAOYSA-N
SMILES
CC(C)CCCC(C)CCO
LogP
3.9 at · 3.9 at 35℃
CAS DataBase Reference
106 · 106-21-8(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS)
3 · 3,7-DIMETHYL-1-OCTANOL
EWG's Food Scores
1 · 1
FDA UNII
9 K1927C · DPY9K1927C
EPA Substance Registry System
1 · 1-Octanol, 3,7-dimethyl- (106-21-8)
UNSPSC Code
12352100 · 12352100
NACRES
22 · NA.22
Symbol(GHS)
7 · GHS07,GHS09
Signal word
Warning
Hazard statements
315 · H315-H319-H411
Precautionary statements
273 · P273-P302+P352-P305+P351+P338
PPE
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes
Xi
Risk Statements
36 · 36/37/38
Safety Statements
23 · 23-26-36
RIDADR
3082 · UN 3082 9 / PGIII
WGK Germany
1 · 1
RTECS
900000 · RH0900000
TSCA
TSCA listed
HS Code
29051990 · 29051990
Storage Class
10 · 10 - Combustible liquids
Hazard Classifications
2 Eye · Aquatic Chronic 2Eye Irrit. 2Skin Irrit. 2
REACH Registrations
Active
wgk
1
tsca
TSCA listed
rtecs
RH0900000
ridadr
UN 3082 9 / PGIII
hs_code
29051990
risk_code
36/37/38
Signal word
Warning
Symbol(GHS)
GHS07,GHS09
hazard_code
Xi
safety_code
23-26-36
Storage Class
10 - Combustible liquids
Hazard statements
H315-H319-H411
REACH Registrations
Active
Hazard Classifications
Aquatic Chronic 2Eye Irrit. 2Skin Irrit. 2
Precautionary statements
P273-P302+P352-P305+P351+P338

Upstream raw materials

CitronellolGeraniol