Factory Supply High Quality 3-Hydroxy-2-Methyl-4h-Pyran-4-One CAS 118-71-8
5 Inquiries
118-71-8
Shanghai, China
100g; 1kg; 25g
2022-12-31
Dichloromethane,Linocaine hydrochloride
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Product Description
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Seller Information
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Inquiry History
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Description
Melting point 160-164 °C(lit.) Boiling point 205 °C density 1.046 g/mL at 25 °C FEMA 2656 | MALTOL refractive index n20/D 1.541 Fp 198 °F storage temp. Store below +30°C. solubility methanol: 50 mg/mL, clear form Liquid pka 8.41±0.10(Predicted) color Clear colorless PH 5.3 (0.5g/l, H2O) explosive limit 25% Water Solubility 1.2 g/100 mL (25 ºC) JECFA Number 1480 Merck 14,5713 BRN 112169 
Packing
· 1kg/aluminium foil bag, with two plastic bags inside.
· 25kg/fiber drum, with two plastic bags inside.
Size:ID 42cm*H52cm,0.08m3/drum;
Net Weight:25kgs Gross Weight:28kgs.
Delivery- ≤50kg, Express delivery recommended, usually called as DDU service;
- ≤500kg,Air shipping recommended, usually called as CIF service;
- >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;
- For high value products, please select air shipping and express delivery for safety.
About us
Shandong Zhishang Chemical Co.,Ltd owned by Zhishang International Group,is a new chemical enterprise with R&D.
manufacture and sales department.
Our company mainly produce pharmaceutical raw materials and intermediate(expecially Carbohydrate derivatives series).
In recent years,we had made big breakthrough in feed additive,plant extraction,industrial chemicals line.
With our "Honest operation,Quality controlling,Clients first"theory,our company enjoy good repute both home and abroad.
The R&D center located in High-tech zone in Jinan,our production based is in Chemical park of Zhangqiu and Tai'an.Our production process strictly conform with ISO 9001 and ISO 2000 standard.Our lab and workshop also follows strictly with GMP standard.Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term and stable business relations.We have large scale liquid chemical terminal and professional chemical warehouse.
We will always adhere to expand business scope and provide the best quality products and service to the world.
- DO YOU ACCEPT SAMPLE ORDER?
We accept sample orders. We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
2.HOW TO CONFIRM THE PRODUCT QUALITY BEFORE PLACING ORDERS?
You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
3.WHAT'S YOUR MOQ?
Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
4.DO YOU SUPPLY PRODUCT REPORT?
Yes. We'll give you product analysis report before shipping.
5.IS THERE A DISCOUNT?
Different quantity has different discount.
Our Advantage
10 Years Experience
Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term.
Quality service
Company cooperates with research institutes. We strictly control the process of raw materials up to finished product.
24 hour serviceQuick and clear response to customers questions. Warm after sale service, we will help to solve the problems in your usage.
High quality
Dedicated to serving customers first, we provide reasonable prices, high quality products.Basic 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:
Manufactory
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Main Products:
Dichloromethane,Linocaine hydrochloride
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Location:
BUILDING 1,HISENSE INTELLIGENCE VALLEY,NO.2116,OF PHOEIX ROAD, HIGH-TECH ZONE ,JINAN CITY ,SHANDONG PROVINCE,CHINA
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Payment Terms:
D/P,L/C,D/A
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Average lead Time:
15
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Total Annual Revenue:
$10 million-$25 million
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Total Employees:
11-50
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Year of Establishment:
2016
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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
India
Maltol
5 TON Aug 9, 2024 
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 Post an enquiry for this product
