dipropylene glycol
Very good fragrance diluent and quencher. But it is synthetic.
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Fragrance Demo Formulas
3-(3-hydroxypropoxy)propan-1-ol (Click)
CAS Number: 25265-71-8Picture of molecule
ECHA EINECS - REACH Pre-Reg: 246-770-3
Nikkaji Web: J19.828E
Beilstein Number: 1698372
MDL: MFCD00004538
XlogP3-AA: -0.60 (est)
Molecular Weight: 134.17518000
Formula: C6 H14 O3
BioActivity Summary: listing
NMR Predictor: Predict (works with chrome or firefox)
Also(can) Contains: di(propylene glycol) (mixture of isomers)
Category: solvents/deluents for flavor and/or fragrance agents
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DG SANTE Food Contact Materials: dipropyleneglycol
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Physical Properties:
Appearance: colorless clear oily liquid (est)
Assay: 99.00 to 100.00 % sum of isomers
Food Chemicals Codex Listed: No
Specific Gravity: 1.01900 to 1.02100 @  25.00 °C.
Pounds per Gallon - (est).: 8.479 to  8.496
Refractive Index: 1.43000 to 1.45000 @  20.00 °C.
Boiling Point: 230.00 to  231.00 °C. @ 760.00 mm Hg
Vapor Pressure: 0.031900 mm/Hg @ 25.00 °C.
Vapor Density: 4.6 ( Air = 1 )
Flash Point: 245.00 °F. TCC ( 118.33 °C. )
logP (o/w): -0.590 (est)
Shelf Life: 24.00 month(s) or longer if stored properly.
Storage: store in cool, dry place in tightly sealed containers, protected from heat and light.
Soluble in:
 amyris wood oil
 benzyl alcohol
 benzyl benzoate
 isopropyl myristate
 water, 3.107e+005 mg/L @ 25 °C (est)
 water, 1.00E+06 mg/L @ 25 °C (exp)
Insoluble in:
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Organoleptic Properties:
Odor Strength: none
Odor Description:
at 100.00 %. 
slight alcoholic
Substantivity: 400 Hour(s)
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Cosmetic Information:
CosIng: cosmetic data
Cosmetic Uses: masking agents
perfuming agents
viscosity controlling agents
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Safety Information:
Most important hazard(s):
None - None found.
  S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
Oral/Parenteral Toxicity:
  oral-rat LD50  14850 mg/kg
"Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969Vol. -, Pg. 731, 1969.

oral-mammal (species unspecified) LD50  15000 mg/kg
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 39(4), Pg. 86, 1974.

Dermal Toxicity:
  skin-rabbit LD50 > 20 ml/kg
"Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969Vol. -, Pg. 731, 1969.

Inhalation Toxicity:
  Not determined
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Safety in Use Information:
Category: solvents/deluents for flavor and/or fragrance agents
Recommendation for dipropylene glycol usage levels up to:
 not for fragrance use.
Recommendation for dipropylene glycol flavor usage levels up to:
 not for flavor use.
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Safety References:
EPI System: View
NLM Hazardous Substances Data Bank: Search
Chemical Carcinogenesis Research Information System: Search
Cancer Citations: Search
Toxicology Citations: Search
Carcinogenic Potency Database: Search
NLM Developmental and Reproductive Toxicity: Search
EPA Substance Registry Services (TSCA): 25265-71-8
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 32857
National Institute of Allergy and Infectious Diseases: Data
WGK Germany:1
Chemidplus: 0025265718
EPA/NOAA CAMEO:hazardous materials
RTECS: UB8765000 for cas# 25265-71-8
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NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 25265-71-8
Pubchem (cid): 32857
Pubchem (sid): 134996077
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Other Information:
(IUPAC): Atomic Weights of the Elements 2009
(IUPAC): Atomic Weights of the Elements 2009 (pdf)
Videos: The Periodic Table of Videos
tgsc: Atomic Weights use for this web site
(IUPAC): Periodic Table of the Elements
HMDB (The Human Metabolome Database): Search
Export Tariff Code: 2909.49.6000
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Wikipedia: View
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grade: technical
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Potential Blenders and core components note
None Found
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Potential Uses:
 viscosity controlling agents 
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Occurrence (nature, food, other): note
 not found in nature
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2,2'-dihydroxydipropyl ether
2,2'-dihydroxyisopropyl ether
1,1'-dimethyl diethylene glycol
1,3-dipropylene glycol
1,2-dipropylene glycol ethers
1-(2-hydroxypropoxy) propan-2-ol
bis(2-hydroxypropyl) ether
2-(2-hydroxypropyl)-1-methyl ethanol
 hydroxyprpyl oxypropanol
 propanol, 3,3'-oxybis-
1-propanol, 3,3'-oxybis-
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