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Galaxolide

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Name

Galaxolide

EINECS 214-946-9
CAS No. 1222-05-5 Density 0.945 g/cm3
PSA 9.23000 LogP 4.52520
Solubility 不溶于水,溶于乙醇和油。 Melting Point 57-58°
Formula C18H26O Boiling Point 326.3 °C at 760 mmHg
Molecular Weight 258.404 Flash Point 146.1 °C
Transport Information N/A Appearance colorless clear oily liquid
Safety 26-36 Risk Codes 38
Molecular Structure Molecular Structure of 1222-05-5 (Galaxolide) Hazard Symbols IrritantXi
Synonyms

1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta[g]-2-benzopyran;1,3,4,6,7,8-Hexahydro-4,6,6,7,8,8-hexamethylcyclopenta[g]-2-benzopyrane;1,3,4,6,7,8-Hexahydro-4,6,6,8,8,8-hexamethylcyclopenta-2-benzopyran;Abbalide;Galaxolide 50;Galaxolide 50BB;Galaxolide 50IPM;Galaxolide White;HHCB;Pearlide;Cyclopenta[g]-2-benzopyran,1,3,4,6,7,8-hexahydro-4,6,6,7,8,8-hexamethyl-;

 

Galaxolide Consensus Reports

Reported in EPA TSCA Inventory.

Galaxolide Specification

1. Introduction of Galoxolide
Galoxolide, with its CAS registry number 1222-05-5,has the IUPAC name of 4,6,6,7,8,8-hexamethyl-1,3,4,7-tetrahydrocyclopenta[g]isochromene. As to its production method, you could firstly prepare the raw material of hexamethylhydrindeneol and the formaldehyde, and then go through the process of chloromethylate and ring-closure reaction with chloromethane to obtain the product. When comes to its usage, it is usually applied in producing essence of high class cosmetic and perfume compound for soap.

2. Properties of Galoxolide
(1)ACD/LogP: 6.23; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 6.23; (4)ACD/LogD (pH 7.4): 6.23; (5)ACD/BCF (pH 5.5): 32064.7; (6)ACD/BCF (pH 7.4): 32064.7; (7)ACD/KOC (pH 5.5): 58478.84; (8)ACD/KOC (pH 7.4): 58478.84; (9)#H bond acceptors: 1; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 9.23; (13)Index of Refraction: 1.499; (14)Molar Refractivity: 80.26 cm3; (15)Molar Volume: 273.2 cm3; (16)Polarizability: 31.81×10-24 cm3; (17)Surface Tension: 31.8 dyne/cm; (18)Density: 0.945 g/cm3; (19)Flash Point: 146.1 °C; (20)Enthalpy of Vaporization: 54.59 kJ/mol; (21)Boiling Point: 326.3 °C at 760 mmHg; (22)Vapour Pressure: 0.000414 mmHg at 25°C; (23)Exact Mass: 258.198365; (24)MonoIsotopic Mass: 258.198365; (25)Topological Polar Surface Area: 9.2; (26)Heavy Atom Count: 19; (27)Complexity: 357.

3. Structure Descriptors of Galoxolide
(1)Canonical SMILES: CC1COCC2=CC3=C(C=C12)C(C(C3(C)C)C)(C)C
(2)InChI: InChI=1S/C18H26O/c1-11-9-19-10-13-7-15-16(8-14(11)13)18(5,6)12(2)17(15,3)4/h7-8,11-12H,9-10H2,1-6H3
(3)InChIKey: ONKNPOPIGWHAQC-UHFFFAOYSA-N 

4. Toxicity of Galoxolide

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LD skin > 3250mg/kg (3250mg/kg)   Deutsche Lebensmittel - Rundschau. Vol. 94, Pg. 268, 1998.
rat LD50 skin > 5gm/kg (5000mg/kg)   Deutsche Lebensmittel - Rundschau. Vol. 94, Pg. 268, 1998.
rat LDLo oral 3250mg/kg (3250mg/kg)   Deutsche Lebensmittel - Rundschau. Vol. 94, Pg. 268, 1998.

5. Safety Information of Galoxolide
Hazard Symbols:IrritantXi
Risk Codes:
R38:Irritating to skin.
Safety Description:
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.

6. Use of Galaxolide
Galaxolide is used as synthetic fragrance in cosmetics, cleaning agents, detergents, air fresheners, perfumes. Suspected hormone disruptor. It can also prevents cells from blocking entry of toxins in animal study. Bioaccumulative.

7. Other details of Galoxolide
When you are using this galoxolide, you should be more careful. This is irritating to skin and then may cause inflammation to the skin or other mucous membranes. Therefore, you should wear suitable protective clothing. And if in case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

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