Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2(5H)-Furanone,5-methyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

591-11-7

591-11-7 structure

591-11-7 structure

Name: 2(5H)-Furanone,5-methyl
Chemical Name: β-angelica lactone
CAS Number: 591-11-7
Molecular Formula: C₅H₆O₂
Molecular Weight: 98.09990
Create Date: 2017-10-02 06:35:59
Modify Date: 2026-07-01 13:11:43

Name	β-angelica lactone
Synonyms	beta-angelica lactone BETA-ANGELICA LACTONE 4-hydroxy-2-pentenoicacidgamma-lactone b-AngelicaLactone 5-Methyl-2(5H)-furanone beta(alpha,beta Or delta1)-Angelica lactone 4-Methyl-2-buten-4-olide 5-Methyl-5H-furan-2-one 4-hydroxy-2-pentanoicacigamma-lactone 5-methyl-2(5h)-furanon β-ANGELICA LACTONE 5-methylfuran-2(5h)-one 5-Methyl-2(5H)-furanone (beta-angelica lactone) 2-Penten-4-olide delta(sup1)-angelicalactone 5-methyl-2,5-dihydrofuran-2-one 4-Hydroxy-2-pentenoic acid gamma-lactone gamma-Methyl-alpha,beta-crotonolactone delta1-Angelica lactone 4-Hydroxypent-2-enoic acid lactone 2-Pentenoic acid, 4-hydroxy-, gamma-lactone alpha,beta-Angelica lactone delta(sup1)-Angelica lactone 2-methyl-2H-furan-5-one gamma-Methyl-delta,alpha,beta-butenolide β-angelicalactone (+/-)-5-methyl-2(5H)-furanone alpha,beta-angelicalactone 2-Oxo-5-methyl-2,5-dihydrofuran 4-methyl-2-butenoic acid gamma-lactone

Density	1.095g/cm3
Boiling Point	210ºC at 760 mmHg
Molecular Formula	C₅H₆O₂
Molecular Weight	98.09990
Flash Point	78.9ºC
Exact Mass	98.03680
PSA	26.30000
LogP	0.48790
Index of Refraction	1.459

CHEMICAL IDENTIFICATION

RTECS NUMBER :: LU5100000

CHEMICAL NAME :: 2(5H)-Furanone, 5-methyl-

CAS REGISTRY NUMBER :: 591-11-7

BEILSTEIN REFERENCE NO. :: 0108058

LAST UPDATED :: 199709

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C5-H6-O2

MOLECULAR WEIGHT :: 98.11

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 750 mg/kg

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

REFERENCE :: APTOA6 Acta Pharmacologica et Toxicologica. (Copenhagen, Denmark) V.1-59, 1945-86. For publisher information, see PHTOEH Volume(issue)/page/year: 2,109,1946

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - cat

DOSE/DURATION :: 500 mg/kg

TOXIC EFFECTS :: Cardiac - other changes Vascular - regional or general arteriolar or venous dilation Gastrointestinal - ulceration or bleeding from stomach

REFERENCE :: JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 36,355,1929 ** TUMORIGENIC DATA **

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2600 mg/kg/65W-I

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application

REFERENCE :: BJCAAI British Journal of Cancer. (Macmillan Press Ltd., Houndmills, Basingstoke, Hants. RG21 2XS, UK) V.1- 1947- Volume(issue)/page/year: 19,392,1965

Precursor 9
201230-82-2 74785-04-9 539-88-8 591-12-8
1617-32-9 16529-66-1 124-38-9 835594-73-5
3240-34-4
DownStream 10
591-12-8 78-94-4 123-73-9 123-76-2
539-88-8 28591-11-9 626-95-9 108-27-0
13458-51-0 76311-90-5

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.