Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-Heptanolide
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Purity: 98.0%
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Henan Tianfu Chemical Co., Ltd.
China
Product Name: 105-21-5
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
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Contact: Anson
Email: info@tianfuchem.com

105-21-5

105-21-5 structure

105-21-5 structure

Name: 5-Propyldihydro-2(3H)-furanone
Chemical Name: γ-Heptalactone
CAS Number: 105-21-5
Molecular Formula: C₇H₁₂O₂
Molecular Weight: 128.169
Catalog: Flavors and spices Synthetic spice Carboxylic acid and ester perfume Aliphatic carboxylate
Create Date: 2018-08-22 18:31:17
Modify Date: 2026-07-01 18:40:44

Name	γ-Heptalactone
Synonyms	(+/-)-GAMMA-PROPYL-GAMMA-BUTYROLACTONE MFCD00036498 5-propyl-2-oxolanone G-HTALACTONE Htan-4-olid 4-HTANOLIDE Htanolide-4,1 HTALACTONE, gamma-(SG) GAMMA-HTANOLACTONE γ-Enanthonolactone GAMMA-HTALACTONE, NATURAL γ-Heptanolactone (+/-)-DIHYDRO-5-PROPYL-2(3H)-FURANONE GAMMA-HTALACTONE FCC (±)-γ-Propyl-γ-butyrolactone, (±)-Dihydro-5-propyl-2(3H)-furanone γ-htalactone,4-htanolide,4,5-dihydro-5-propyl-2(3H)-furanone γ-Htalactone γ-Htalactone >= High quality 4-Htanolide factory supply htan-4 4-Htanolide //BP 4-n-propyl-4-hydroxybutanoic acid lactone γ-Oenantholacton 2(3H)-Furanone, dihydro-5-propyl 4-Hydroxyhtanoic acid lactone (±)-4-Htanolide dihydro-5-propyl-2(3h)-furanon GAMMA-HTANOIC LACTONE gamma-Enanthonolactone gamma-Htalactone γ-Htalactone,Natural htan-4-olide Propyl htanolactone gamma htalatone GAMMA-ENANTHONOLACTONE 5-Propyldihydrofuran-2(3H)-one Gamma-Htalctone HTALACTON-GAMMA 4-hydroxyhtanoic HTALACTONE, GAMMA δ-Htadecalactone γ-Oentholacton gamma-Heptalactone 4-Heptanolide γ-Htanolactone (±)-4-Heptanolide 4-Hydroxyhtanoic acid gamma-lactone (±)-γ-Propyl-γ-butyrolactone, (±)-4-Htanolide, (±)-Dihydro-5-propyl-2(3H)-furanone (±)-γ-Propyl-γ-butyrolactone 4-Htanolideone EINECS 203-279-9 (+/-)-4-HTANOLIDE 5-propyloxolan-2-one (+/-)-4-HTANOLIDE, STANDD FOR gamma-Propiobutyrolactone GAMMA-HTALACTONE HTANOIC-G-LACTONE (±)-Dihydro-5-propyl-2(3H)-furanone Dihydro-5-propylfuran-2(3H)-one (±)-γ-propyl-γ-butyrolactone Htanoic-gamma-lactone Gamma-Htalactone CAS NO.-5 CAS NO.-5 γ-Htanolactone> 4-hydroxyhtanoicacidlactone

Density	1.0±0.1 g/cm3
Boiling Point	226.3±8.0 °C at 760 mmHg
Molecular Formula	C₇H₁₂O₂
Molecular Weight	128.169
Flash Point	85.3±15.9 °C
Exact Mass	128.083725
PSA	26.30000
LogP	0.79
Vapour Pressure	0.1±0.4 mmHg at 25°C
Index of Refraction	1.437

CHEMICAL IDENTIFICATION

RTECS NUMBER :: LU3697000

CHEMICAL NAME :: 2(3H)-Furanone, dihydro-5-propyl-

CAS REGISTRY NUMBER :: 105-21-5

BEILSTEIN REFERENCE NO. :: 0109569

LAST UPDATED :: 199701

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C7-H12-O2

MOLECULAR WEIGHT :: 128.19

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 20,703,1982 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >5 gm/kg

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

REFERENCE :: FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 20,703,1982

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

REFERENCE :: FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 20,703,1982

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315
Personal Protective Equipment	Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xi:Irritant;
Risk Phrases	R38
Safety Phrases	S36
RIDADR	NONH for all modes of transport
WGK Germany	2
RTECS	LU3697000
HS Code	2932209090

Precursor 10
4798-44-1 201230-82-2 41658-18-8 123-38-6
140-88-5 111-14-8 13865-19-5 927-77-5
628-62-6 22127-83-9
DownStream 2
36129-37-0 58557-30-5

HS Code	2932209090
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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