Methyl nadic anhydride

Description

Methyl nadic anhydride · CAS 25134-21-8 · C10H10O3. UNII NS00002939. Melting Point: 18 °C; Density: 1.200-1.250 @ 20 °C/20 °C; Density: 1.232 @25 °C.

Identification

CAS Registry Number	25134-21-8
PubChem CID	32802
Molecular formula	C10H10O3
IUPAC name	1-methyl-4-oxatricyclo[5.2.1.02,6]dec-8-ene-3,5-dione
UNII (FDA)	NS00002939

Computed Descriptors

Molecular Weight	178.18
XLogP3	1.2
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	178.062994177
Monoisotopic Mass	178.062994177
Topological Polar Surface Area	43.4
Heavy Atom Count	13
Formal Charge	0

Physical & Chemical Properties

Melting Point	18 °C
Density	1.200-1.250 @ 20 °C/20 °C
Density	1.232 @25 °C
Vapor Pressure	0.1 [mmHg]
Viscosity	175-225 CP @ 25 °C

Physical description & handling notes

• Liquid
• Colorless to light yellow liquid; [HSDB] Colorless liquid; [MSDSonline]
• COLORLESS TO LIGHT-YELLOW VISCOUS LIQ
• MISCIBLE IN ALL PROPORTIONS WITH ACETONE, BENZENE, NAPHTHA, & XYLENE
• INDEX OF REFRACTION: 1.500-1.506 @ 20 °C/D

Regulatory Status

Regulatory & Food Contact	FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS

GHS Hazard Classification

Reported hazard statements	H302 (100%), H314 (54.6%), H315 (45.4%), H317 (76.9%), H318 (20.3%), H319 (25.8%), H331 (15.3%), H334 (99.7%)

Documented Uses

• Used as a curing agent (epoxy resins), an intermediate (polyesters, alkyd resins, and plasticizers), and in electrical laminating and filament-winding; [HSDB]
• Plastic Composites Manufacturing [Category: Industry]
• CURING AGENT FOR EPOXY RESINS; INTERMEDIATE FOR POLYESTERS, ALKYD RESINS, & PLASTICIZERS; ELECTRICAL LAMINATING & FILAMENT-WINDING
• CURING AGENT FOR EPOXY RESINS-EG, FOR ELECTRICAL CASTINGS
• REACTION OF METHYLCYCLOPENTADIENE WITH MALEIC ANHYDRIDE
• (1981) PROBABLY GREATER THAN 2.27X10+6 GRAMS

Synonyms

Methyl-5-norbornene-2,3-dicarboxylic anhydride; Nadic methyl anhydride; Kayahard MCD; Methendic anhydride; Hardener HY906; Methylendic anhydride; HSDB 6093; MEA 610; EINECS 246-644-8; BRN 0162395; TK 10 524; CCRIS 9477; endo-Methylenemethyltetrahydrophthalic anhydride; 5-Norbornene-2,3-dicarboxylic anhydride, methyl-; Methyl-tetrahydro-3,6-endomethylenephthalic anhydride; Methylbicyclo(2.2.1)heptene-2,3-dicarboxylic anhydride

Frequently Asked Questions

What are the CAS number and molecular formula of Methyl nadic anhydride?

CAS 25134-21-8; molecular formula C10H10O3; molecular weight — g/mol.

What other names is Methyl nadic anhydride known by?

Methyl-5-norbornene-2,3-dicarboxylic anhydride, Nadic methyl anhydride, Kayahard MCD, Methendic anhydride, Hardener HY906, Methylendic anhydride.

What is the regulatory status of Methyl nadic anhydride?

Documented regulatory listings: FDA Cumulative Estimated Daily Intake (CEDI): FCS; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is Methyl nadic anhydride classified as hazardous?

Hazard statements reported: H302, H314, H315, H317, H318.

What are the key physical properties of Methyl nadic anhydride?

Melting Point: 18 °C; Density: 1.200-1.250 @ 20 °C/20 °C; Density: 1.232 @25 °C; Vapor Pressure: 0.1 [mmHg].

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.