6-Methylcoumarin
- Product Name
- 6-Methylcoumarin
- CAS No.
- 92-48-8
- Chemical Name
- 6-Methylcoumarin
- Synonyms
- 6-Methyl;METHYL COUMARIN;2H-1-BENZOPYRAN-2-ONE, 6-METHYL-;6-MC;Toncarine;6-methyl-coumari;6-Methyl-2-oxochronene;6-METHYL-2H-CHROMEN-2-ONE;pralina;toncair
- CBNumber
- CB8691534
- Molecular Formula
- C10H8O2
- Formula Weight
- 160.17
- MOL File
- 92-48-8.mol
6-Methylcoumarin Property
- Melting point:
- 73-76 °C (lit.)
- Boiling point:
- 303 °C/725 mmHg (lit.)
- Density
- 1.0924 (rough estimate)
- refractive index
- 1.5300 (estimate)
- FEMA
- 2699 | 6-METHYLCOUMARIN
- Flash point:
- 303°C/725mm
- storage temp.
- Sealed in dry,Room Temperature
- solubility
- DMSO : ≥ 125 mg/mL (780.42 mM)
- form
- powder to crystal
- color
- White to Almost white
- Odor
- at 1.00 % in dipropylene glycol. coconut creamy powdery coumarinic tonka cinnamyl vanilla floral earthy
- Odor Type
- coconut
- JECFA Number
- 1172
- BRN
- 4222
- LogP
- 1.85
- CAS DataBase Reference
- 92-48-8(CAS DataBase Reference)
- NIST Chemistry Reference
- 2H-1-Benzopyran-2-one, 6-methyl-(92-48-8)
- EPA Substance Registry System
- 6-Methylcoumarin (92-48-8)
Safety
- Hazard Codes
- Xn
- Risk Statements
- 22-42/43
- Safety Statements
- 22-36/37-45
- WGK Germany
- 3
- RTECS
- GN7792000
- TSCA
- Yes
- HS Code
- 29321900
- Hazardous Substances Data
- 92-48-8(Hazardous Substances Data)
- Toxicity
- The acute oral LD50 value in rats was reported to be 1.68 g/kg (1.43-1.93 g/kg) (Moreno, 1973). The acute dermal LD50 value in rabbits exceeded 5 g/kg (Moreno, 1973).
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H302Harmful if swallowed
H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled
- Precautionary statements
-
P280Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352IF ON SKIN: wash with plenty of soap and water.
N-Bromosuccinimide Price
- Product number
- W269905
- Product name
- 6-Methylcoumarin
- Purity
- ≥99%, FCC, FG
- Packaging
- 1kg
- Price
- $219
- Updated
- 2024/03/01
- Product number
- W269905
- Product name
- 6-Methylcoumarin
- Purity
- ≥99%, FCC, FG
- Packaging
- 5kg
- Price
- $900
- Updated
- 2024/03/01
- Product number
- M36203
- Product name
- 6-Methylcoumarin
- Purity
- ≥99%
- Packaging
- 5g
- Price
- $39.7
- Updated
- 2024/03/01
- Product number
- W269905
- Product name
- 6-Methylcoumarin
- Purity
- ≥99%, FCC, FG
- Packaging
- 100g
- Price
- $75.4
- Updated
- 2023/06/20
- Product number
- 69391
- Product name
- 6-Methylcoumarin
- Purity
- analytical standard
- Packaging
- 100mg
- Price
- $60.8
- Updated
- 2022/05/15
6-Methylcoumarin Chemical Properties,Usage,Production
Chemical Properties
6-methylcoumarin is a white to almost white crystalline powder with has a somewhat coconut-like odor. the odor is also characterized as having a delicate fig or date sweetness. it has an almost bitter taste above 50 ppm, turning sweet and vanilla-like at lower levels. soluble in benzene, hot ethanol and non-volatile oil, insoluble in hot water.
Occurrence
Has apparently not been reported to occur in nature
Uses
6-Methylcoumarin is a synthetic fragrance in cosmetics, toiletries and soaps. It mainly used to prepare flavors such as coconut, vanilla and caramel.
Preparation
6-methylcoumarin is synthesized from p-cresol and fumaric acid. Preheat 72% sulfuric acid to 80 °C, add a mixture of fumaric acid and p-cresol, keep the reaction at 160-170 °C for 3-4 hours, cool, pour into crushed ice to precipitate a precipitate, and filter. The filtrate was extracted with benzene, and after adding benzene, the obtained crude product was subjected to vacuum distillation to obtain 6-methylcoumarin.
synthesis of 6-methylcoumarin: By heating 6-methyl coumarin-3-carboxylic acid to 300 to 340°C; by condensation of p-cresol-disulfonic acid with fumaric acid in the presence of H2SO4; by condensation of p-homosalicyclic aldehyde with malonic acid in the presence of aniline, followed by heating for the lactone; from salicylaldehyde with propionic acid anhydride and sodium propionate.
Definition
ChEBI: 6-methylcoumarin is a member of the class of coumarins that is coumarin in which the hydrogen at position 6 is replaced by a methyl group. It has a role as a fragrance and an allergen.
Aroma threshold values
Aroma characteristics at 1.0%: sweet vanilla cake, creamy, coconut, coumarin-like and powdery, with herbaceous hay and tonka-like nuances.
Taste threshold values
Taste characteristics at 5 ppm: coconut, sweet vanilla, dairy creamy, hay-like with anisic and coumarin nuances.
Synthesis Reference(s)
Tetrahedron, 62, p. 6918, 2006 DOI: 10.1016/j.tet.2006.04.080
General Description
6-methylcoumarin appears as white crystals with a flavor of vanilla. Insoluble in water. (NTP, 1992)
Air & Water Reactions
Insoluble in water.
Reactivity Profile
Ketones, such as 6-Methylcoumarin, are reactive with many acids and bases liberating heat and flammable gases (e.g., H2). The amount of heat may be sufficient to start a fire in the unreacted portion of the ketone. Ketones react with reducing agents such as hydrides, alkali metals, and nitrides to produce flammable gas (H2) and heat. Ketones are incompatible with isocyanates, aldehydes, cyanides, peroxides, and anhydrides. They react violently with aldehydes, HNO3, HNO3 + H2O2, and HClO4.
Fire Hazard
6-Methylcoumarin is combustible.
Biochem/physiol Actions
Taste at 5 ppm
Safety Profile
Poison by subcutaneous route. Moderately toxic by ingestion. A skin irritant. Mutation data reported. Combustible liquid. When heated to decomposition it emits acrid smoke and irritating fumes.
6-Methylcoumarin Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 6-Methylcoumarin manufacturers
- Product
- 6-Methylcoumarin 92-48-8
- Price
- US $120.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 20ton
- Release date
- 2024-05-16
- Product
- 6-Methylcoumarin 92-48-8
- Price
- US $10.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 10 mt
- Release date
- 2024-11-15
- Product
- 6-Methylcoumarin 92-48-8
- Price
- US $10.00-7.00/kg
- Min. Order
- 1kg
- Purity
- 99.99%
- Supply Ability
- 10 tons
- Release date
- 2024-06-13