3-Hydroxy-2-methyl-4-pyrone
5 Inquiries
118-71-8
99%
Bottle,barrel,cargo,container,etc.
2026-09-10
Intermediates,Building blocks,API,Silicones,Peptides,Lab chemicals
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Product Description
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Seller Information
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Inquiry History
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DescriptionKeywords
118-71-8
3-Hydroxy-2-methyl-4-pyrone
C6H6O3
Quick DetailsProName:3-Hydroxy-2-methyl-4-pyrone
CasNo:118-71-8
Molecular Formula:C6H6O3
Appearance:powder, or liquid
Application:Pharmaceuticals, intermediates, APIs, custom synthesis, chemicals
DeliveryTime:5-7 Days
PackAge:Bottle, barrel, cargo, container, etc.
Port:Shanghai
Purity:99
Storage:Stored in room temperature, ventilated place
Transportation:By air, ship, express, etc.
LimitNum:0
Grade:Industrial Grade
SuperiorityBest Seller, High Quality, Competitive Price, Fast Delivery, Quick Response
DetailsLEAPChem supplies high quality Pharmaceuticals, intermediates, APIs, custom synthesis, fine chemicals and other industrial chemicalsMaltol has a caramel–butterscotch odor and in solution it has a jam-like odor. This compound is also reported to have a suggestive of fruity, strawberry aroma in dilute solution. White, crystalline powder; characteristic caramel-butterscotch odor and suggestive of a fruity-strawberry aroma in dilute solution. Melting range 160–164C. Slightly soluble in water; more soluble in alcohol and propylene glycol. White crystalline solid with a characteristic, caramel-like odor and taste. In diluteBasic Info-
Product Name:
Maltol
Other Name:4H-Pyran-4-one,3-hydroxy-2-methyl-;3-Hydroxy-2-methyl-4H-pyran-4-one;3-Hydroxy-2-methyl-4-pyrone;3-Hydroxy-2-methyl-γ-pyrone;Larixic acid;Larixinic acid;Maltol;Palatone;2-Methyl-3-hydroxy-4-pyrone;3-Hydroxy-2-methyl-1,4-pyrone;3-Hydroxy-2-methyl-4-pyranone;2-Methyl-3-hydroxypyrone;2-Methyl-3-hydroxypyran-4-one;Veltol;NSC 2829;NSC 404458;E 636;Larixin;Larixin (plant growth regulator);2-Methyl-4-oxo-4H-pyran-3-ol;Methylmaltol
CAS No.:118-71-8
Molecular Formula:C6H6O3
InChIKeys:InChIKey=XPCTZQVDEJYUGT-UHFFFAOYSA-N
Molecular Weight:126.11
Exact Mass:126.11
BRN:112169
EC Number:204-271-8
UNII:3A9RD92BS4
NSC Number:404458|2829
DSSTox ID:DTXSID0025523
Color/Form:Monoclinic prisms from chloroform, orthorhombic bypyramidal crystals + monoclinic prisms from 50% alcohol|White crystalline powder
HScode:29329995
Categories:
Characteristics-
PSA:
46.5
XLogP3:0.09
Appearance:Clear colorless Liquid
Density:1.046 g/mL at 25 °C
Melting Point:161.5 °C
Boiling Point:140-150 °C @ Press: 20 Torr
Flash Point:198 °F
Refractive Index:n 20/D 1.541
Water Solubility:H2O: 1.2 g/100 mL (25 ºC);methanol: 50 mg/mL, clear
Storage Conditions:Store below +30°C.
Vapor Pressure:3.26X10-4 mm Hg at 25 deg C (extrapolated from reduced pressure boiling point)
Toxicity:The acute oral LD
50
in rats was reported to be 2.33 g/kg (1.57-3.09 g/kg) (Moreno, 1974). The acute oral 7-day LD
50
s in mice, rats and chicks were reported to be 848, 1440 and 3720 mg/kg, respectively (Gralla, Stebbins, Coleman & Delahunt, 1969). Acute oral LD
50
values were found to be 550 mg/kg in mice, 1620 mg/kg in rabbits and 1410 mg/kg in guinea-pigs (Dow Chemical Company, 1967). The acute sc LD
50
in mice was found to be 820 mg/kg.Explosive limit:25%
Odor:Fragrant, caramel-like odor
Taste:Taste characteristics at 200.00 ppm: Sweet, caramellic, cotton candy with fruity, jammy strawberry nuance
PH:pH of 0.5% aqueous solution = 5.3
Henrys Law Constant:Henry's Law constant = 5.0X10-9 atm-cu m/mole at 25 °C (est)
Dissociation Constants:pKa = 8.6
Collision Cross Section:117.7 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]
Experimental Properties:Volatile with steam|May be sensitive to prolonged exposure to light and air. Reacts with bases. May react with reducing agents.|Hydroxyl radical reaction rate constant = 5.0X10-11 cu cm/molec-sec at 25 °C (est)|Ozone reaction rate constant = 1.3X10-17 cu cm/molec-sec at 25 °C (est)
Air and Water Reactions:May be sensitive to prolonged exposure to light and air. Somewhat soluble in water at room temperature. Freely soluble in hot water [Merck]. Slightly soluble in cold water.
Reactive Group:Ethers
Reactivity Profile:MALTOL is weakly acidic. Reacts with bases. May react with reducing agents. Volatile with steam. (NTP, 1992)
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 4, Oral
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H302 Harmful if swallowed
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
Response P301+P317 IF SWALLOWED: Get medical help.
P330 Rinse mouth.
Storage none
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Keep container tightly closed in a dry and well-ventilated place.
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Seller Information
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Business Type:
Trader
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Main Products:
Intermediates,Building blocks,API,Silicones,Peptides,Lab chemicals
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Location:
Room A, 23rd Floor, No. 609 Yan'an Road, Gongshu District, Hangzhou, Zhejiang
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Payment Terms:
TT against copy of documents,D/P,L/C
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Average lead Time:
5
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Total Annual Revenue:
Above $100 million
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Year of Establishment:
2020
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Certifications:
ISO
">Company ProfileLEAPChem is a specialized fine chemical supplier for research, development and production.
LEAPChem provides nearly 200,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities.
As a highly customer-oriented enterprise, we are committed to providing high-quality customer services and products to our global customers in a cost-effective and efficient manner.
Our client list includes many major pharmaceutical and science companies, universities, research institutions and chemical catalogue companies.
Methodology: Sound & Stable; Active & Innovative.
Attitude: Conscientious; Ingenious.
Goals: Customer's Satisfaction
We regard client's success as our success.
At LEAPChem, we strive to be the preferred supplier for efficiency increasing and cost lowering in your Research & Production.
To achieve this strategic vision, we always push ourselves to exceed our customer's requirement. By focusing on the aim of 'Beyond Your Expectation', we continually expand our product lines, and enhance our systematic management and human resources.
Welcome to contact us and we look forward to becoming your reliable and preferred partner.
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Inquiry History5 Inquiries
Country Product Purchase Quantity Date Posted 
India
3-Hydroxy-2methyl-4h-Pyran-4-One
12 MT Dec 24, 2025 
China
甲基麦芽酚 (Methyl Maltol)
15 MT Dec 27, 2025
India
Maltol
20 MT Aug 11, 2025
India
Maltol
20 MT Aug 8, 2025
India
Maltol
5 TON Aug 9, 2024 Post an enquiry for this product
