Hexahydrophthalic Anhydride

Product details

Hexahydrophthalic Anhydride (HHPA) is a Cycloaliphatic Anhydride.
Synonym: 1,2-Cyclohexanedicarboxylic Anhydride
CAS-No. 85-42-7
EINECS-No. 201-604-9
Hardener for epoxy resins, unsaturated polyester resin co-monomer,
intermediate for alkyd resins and rust inhibitors, raw material for pvc-plasticizers


Product CodeQualityPacking UnitSpec SheetInquiry
12110 solid 220 kgs drum Contact
12111 liquid tank trucks / Iso-Container Contact

MSDS according 91/155 EEC (2001/58 EC) SOLID

MSDS according 91/155 EEC (2001/58 EC) LIQUID

More information

Information pertaining to particular dangers for man and environment for Hexahydrophthalic Anhydride:
Mainly resorbed via respiration tract.
R 41 Risk of serious damage to eyes.
R 42/43 May cause sensitisation by inhalation and skin contact.

Classification system for Hexahydrophthalic Anhydride:

The classification was made according to the latest editions of the EU-lists, and expanded using company data and specialized literature.
Chemical characterization for Hexahydrophthalic Anhydride for Hexahydrophthalic Anhydride, 1,2-Cyclohexanedicarboxylic Anhydride:
CAS No. Description:
85-42-7 cyclohexane-1,2-dicarboxylic anhydride

Identification number(s):

EINECS Number: 201-604-9
EU Number: 607-102-00-X
General Information
for Hexahydrophthalic Anhydride (HHPA), 1,2-Cyclohexanedicarboxylic Anhydride
Form: Solid.
Colour: Colourless
Odour: Odourless

Change in condition:
Melting point/Melting range: 34°C
Boiling point/Boiling range: 296°C
Flash point: 152°C
Ignition temperature: 395°C
Danger of explosion: Product does not present an explosion hazard.
Vapour pressure at 20°C: 0.01 hPa
Density at 20°C: 1.1525 g/cm³

Solubility in / Miscibility with Water at 20°C:
2.3 g/l
hydrolizes slowly
pH-value: Aqueous solution reacts acidic due to hydrolization products.
Land transport ADR/RID (cross-border) for Hexahydrophthalic Anhydride (HHPA):
ADR/RID class: No hazardous good according to the regulation.

Maritime transport IMDG:

IMDG Class: No hazardous good according to the regulation.

Air transport ICAO-TI and IATA-DGR:

ICAO/IATA Class: No hazardous good according to the regulation.
Markings according to EC guidelines for Hexahydrophthalic Anhydride (HHPA):
The product has been classified and marked in accordance with EU Directives / Ordinance on Hazardous Materials

Risk phrases:

41 Risk of serious damage to eyes.
42/43 May cause sensitisation by inhalation and skin contact.

Safety phrases:

23 Do not breathe fumes/aerosol.
24 Avoid contact with skin.
26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
37/39 Wear suitable gloves and eye/face protection.

National regulations

Information about limitation of use:
Restrictions on juvenile employment must be observed.
Employment restrictions concerning pregnant and lactating women must be observed.

Technical guidance (air):

Class       Share in %
  I              100.0

Water hazard class:
Water hazard class 1 (Self-assessment): slightly hazardous for water.

Hazard description

GHS hazard labels

GHS08 Health hazard GHS05 corrosivity GHS07

Hazardous material sign

Xn Harmful