Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Ethyl maltol
Price: ￥288.0/100g ￥108.0/25g
Purity: 98.0%
Stocking Period: 1 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Ethyl maltol
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

4940-11-8

4940-11-8 structure

Name: Ethyl maltol
Chemical Name: 2-Ethyl-3-hydroxy-4H-pyran-4-one
CAS Number: 4940-11-8
Molecular Formula: C₇H₈O₃
Molecular Weight: 140.137
Catalog: Food additive Food spice Artificial spice
Create Date: 2018-06-07 17:14:31
Modify Date: 2025-08-21 16:46:33
Ethyl maltol (2-Ethyl-3-hydroxy-4H-pyran-4-one) is an odor-active (OA) compound[1].

Name	2-Ethyl-3-hydroxy-4H-pyran-4-one
Synonyms	2-Ethyl-3-hydroxy-4-pyrone EINECS 225-582-5 2-Ethyl-3-hydroxy-4H-pyran-4-one MFCD00059795 2-Ethyl pyromeconic acid 4H-Pyran-4-one, 2-ethyl-3-hydroxy- Ethyl maltol Veltol plus

Description	Ethyl maltol (2-Ethyl-3-hydroxy-4H-pyran-4-one) is an odor-active (OA) compound[1].
Related Catalog	Research Areas >> Others Signaling Pathways >> Others >> Others
References	[1]. Niu Y, et al. Characterization of odor-active compounds of various cherry wines by gas chromatography-mass spectrometry, gas chromatography-olfactometry and their correlation with sensory attributes. J Chromatogr B Analyt Technol Biomed Life Sci. 2011 Aug 1;879(23):2287-93.

Density	1.3±0.1 g/cm3
Boiling Point	290.3±40.0 °C at 760 mmHg
Melting Point	85-95 °C(lit.)
Molecular Formula	C₇H₈O₃
Molecular Weight	140.137
Flash Point	124.8±20.8 °C
Exact Mass	140.047348
PSA	50.44000
LogP	0.61
Vapour Pressure	0.0±1.4 mmHg at 25°C
Index of Refraction	1.541

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ0840000

CHEMICAL NAME :: 4H-Pyran-4-one, 2-ethyl-3-hydroxy-

CAS REGISTRY NUMBER :: 4940-11-8

BEILSTEIN REFERENCE NO. :: 1618110

LAST UPDATED :: 199712

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: C7-H8-O3

MOLECULAR WEIGHT :: 140.15

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1150 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 780 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 910 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: >5 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - chicken

DOSE/DURATION :: 1270 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 90 gm/kg/90D-I

TOXIC EFFECTS :: Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis)

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 2 mg/plate

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 67,367,1979 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - T2072 No. of Facilities: 193 (estimated) No. of Industries: 6 No. of Occupations: 8 No. of Employees: 4632 (estimated) No. of Female Employees: 1504 (estimated)

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302
Precautionary Statements	P301 + P312 + P330
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xn:Harmful
Risk Phrases	R22
Safety Phrases	S36
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	UQ0840000
HS Code	2932999099

4208-61-1

~69%

4940-11-8

Literature: Georgiadis, Minas P.; Albizati, Kim F.; Georgiadis, Taxiarchis M. Organic Preparations and Procedures International, 1992 , vol. 24, # 1 p. 95 - 118

Precursor 1
4208-61-1
DownStream 4
111782-87-7 204717-51-1 115864-73-8 148401-40-5

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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