meta-dimethyl hydroquinone
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IUPAC name :1,3-dimethoxybenzene
InChI :InChI=1/C8H10O2/c1-9-7-4-3-5-8(6-7)10-2/h3-6H,1-2H3
InChIKey :DPZNOMCNRMUKPS-UHFFFAOYAK
cas number :151-10-0
(EINECS) number :205-783-4
beilstein number :0878582
fema number :2385
coe number :189
jecfa number :1249
fl. number :04.016
molar refractivity :39.60 ± 0.3 cm3
parachor :320.6 ± 4.0 cm3
index of refraction :1.488 ± 0.02
surface tension :29.6 ± 3.0 dyne/cm
density :1.005 ± 0.06 g/cm3
polarizability :15.70 ± 0.5 10-24cm3
XlogP : 1.90
molecular weight : 138.1638000
formula :C8 H10 O2
 
 
export tariff code :unspecified
fda reg :172.515

Suppliers :
Berje :Dimethyl Resourcinol
Frutarom :1,3-DIMETHOXYBENZENE
≥97.00%, NI, Kosher
Odor:  Acidic, Fruity, Nutmeg.
Penta :m-dimethoxybenzene
Sigma-Aldrich-SAFC :m-Dimethoxybenzene
Odor:  coconut; hazelnut; earthy.

organoleptics :
odor type :medicinal
odor strength :medium ,
recommend smelling in a 1.00 % solution or less
odor description :
at 1.00 % in dipropylene glycol.  
acid fruity nutmeg neroli
odor sample from :Harrmann & Reimer Corporation
substantivity :64  Hour(s)

properties :
appearence :colorless to pale yellow clear liquid
assay : 98.00 to 100.00 %   
Food Chemicals Codex Listed :No
specific gravity :1.06610 to 1.07000 @ 25.00 °C.
pounds per gallon - calc. : 8.871 to 8.903
refractive index :1.52300 to 1.52700 @ 20.00 °C.
melting point : -55.00 to -52.00 °C. @ 760.00 mm Hg
boiling point : 85.00 to 87.00 °C. @ 7.00 mm Hg
boiling point : 212.00 to 214.00 °C. @ 760.00 mm Hg
vapor pressure :0.52800 mm/Hg @ 25.00 °C.
vapor density :4.7 ( Air = 1 )
flash point : 186.00  °F.  TCC  ( 85.56 °C. )
logP (o/w) : 2.21

safety :
most important hazard(s) :Xi - Irritant
  R 36/38 - Irritating to skin and eyes.
S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36 - Wear suitable protective clothing.
Oral Toxicity(LD50) :
  Oral-Rat    2500.00  mg/kg
(Moreno, 1978l)

Oral-Rat   [sex: M,F]  2560.00  mg/kg
(Bär & Griepentrog, 1967)

Intraperitoneal-Mouse    900.00  mg/kg

Dermal Toxicity(LD50) :
  Not determined
Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
Maximised Survey-derived Daily Intakes (MSDI-EU) :4.60 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA) :2.00 (μg/capita/day)
 
recommendation for meta-dimethyl hydroquinone usage levels up to :
 not for fragrance use.
recommendation for meta-dimethyl hydroquinone usage levels up to :
  8.0000 ppm in the flavor.

safety references :
European Food Safety Athority(efsa) :Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...
EPI System :view
Env. Mutagen Info. Center :Search
Canada Domestic Sub. List :Yes
EPA Chem. Sub. Inventory : Yes
 
WGK Germany :2
 
 
 
 1,3-dimethoxybenzene
(EINECS) number :205-783-4
RTECS :CZ6474000 for 151-10-0
chemidplus :000151100
EPA Substance Registry Services :151-10-0
dtp/nci :8699

references :
 1,3-dimethoxybenzene
fl. number :04.016
jecfa number :1249
NIST Chemistry WebBook :244190281
pubchem :152206

Cosmetics :
Cosmetic uses : perfuming agents

other :
CosIng :cosmetic data
VCF-Online: VCF Volatile Compounds in Food
synonyms :
1,3-dimethoxybenzene
meta-dimethoxybenzene
 dimethyl resorcinol
3-methoxyanisole
 resorcinol dimethyl ether

soluble in :
 alcohol
 water, 1110 mg/L @ 25C

insoluble in :
 water

(odor and/or flavor) blends with :
 allyl salicylate
 birch oil sweet america
 cassis bud oil
 clocimum oil india
 ethyl anthranilate
 ethyl benzoate
 ethyl salicylate
 mace absolute
 mace oil
 mace oleoresin
 methyl benzoate
4-methyl biphenyl
 methyl salicylate
 nonyl benzoate
 nutmeg extract CO2 west indian
 nutmeg oil
 nutmeg oil terpeneless
 nutmeg oleoresin
isopulegol
 savory oil summer
 savory oil winter
 tea tree oil
 terpinyl cinnamate
 thyme absolute
 wintergreen oil

(odor and/or flavor) used in :
 anise
 brandy
 cheese
 coconut
 earth humus
 neroli
 nut hazelnut
 nutmeg
 rootbeer
 vanilla
 wintergreen

natural occurrence in :
brandy
butter
cheese
coffee
cognac
gruyere de compte
kiwi fruit
data pagemangrove bark red oil cuba @ 0.10%
rice



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