Tetrahydrophthalic Anhydride

Product details

Tetrahydrophthalic Anhydride (THPA) is being produced by reaction of Butadiene with Maleic Anhydride.

CAS-No. 85-43-8
EINECS-No. 201-605-4
Chemical formula: C8H8O3

Synonym: 1,2,3,6-Tetrahydrophthalic Anhydride
Uses/applications: Polyester resins, curing agent for epoxy resins, Plasticizers, Adhesives, intermediate for Alkyd resins, etc.

Specifications

Product CodeQualityPacking UnitSpec SheetInquiry
12070 flakes 25 kgs bags PDF Symbol Contact
12071 flakes 500 kgs big bags type B PDF Symbol Contact
12072 flakes 500 kgs big bags type C PDF Symbol Contact
12074 flakes 800 kgs big bags type C PDF Symbol Contact

MSDS according to GHS (1907/2006/EC, Article 31)     

German SDB DE Italia MSDS IT
France MSDS FR Slowenia MSDS SL

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

 MSDS EN  SDB DE  MSDS ES
 MSDS IT  MSDS FR

More information

Information pertaining to particular dangers for man and environment:
R 41 Risk of serious damage to eyes.
R 42/43 May cause sensitisation by inhalation and skin contact.
R 52/53 Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.

Classification system for Tetrahydrophthalic Anhydride (THPA):
The classification was made according to the latest editions of the EU-lists, and expanded using company data and specialized literature.

Additional information: Aqueous solutions of the substance are acidic.
Chemical characterization for Tetrahydrophthalic Anhydride (THPA), 1,2,3,6-Tetrahydrophthalic Anhydride:
CAS No. Description: 85-43-8 1,2,3,6-tetrahydrophthalic anhydride

Identification number(s):
EINECS Number: 201-605-4
EU Number:
607-099-00-5
General Information
for Tetrahydrophthalic Anhydride (THPA), 1,2,3,6-Tetrahydrophthalic Anhydride
:
Form: Crystalline
Colour: White
Odour: Odourless

Change in condition
Melting point/Melting range: 100°C
Boiling point/Boiling range:
undetermined
Flash point:
156°C (closed cup)
Flammability (solid, gaseous) Product is not flammable.
Ignition temperature: 400°C
Danger of explosion: Product is not explosive. However, formation of explosive air/dust mixtures is possible.
Vapour pressure at 20°C: 0.013 mbar
Density at 25°C:
1.375 g/cm³

Solubility in / Miscibility with

Water:


10 g/l, Hydrolysing
pH-value (10 g/l) at 20°C: 2.1
Land transport ADR/RID (cross-border) for Tetrahydrophthalic Anhydride (THPA):
ADR/RID class: - No hazardous good according to the regulation.
Description of goods: 2698 TETRAHYDROPHTHALIC ANHYDRIDES
Remarks: Phthalic anhydride in the solid state and tetrahydrophythalic anhydride, with no more than 0,05% maleic anhydride, are not subjet to these regulations.Phthalic anhydride molten at a temperature above its flashpoint, with not more than 0,05% maleic anyhdride should be classified under UN 3256.

Maritime transport IMDG:

IMDG Class: - No hazardous good according to the regulation.
Marine pollutant: No
Remarks: Phthalic anhydride in the solid state and tetrahydrophythalic anhydride, with no more than 0,05% maleic anhydride, are not subjet to these regulations.Phthalic anhydride molten at a temperature above its flashpoint, with not more than 0,05% maleic anyhdride should be classified under UN 3256.
A consignment of this substance that is accompanied by a shipper's certificate stating that it does not contain more than 0,05 maleic anhydride is not subject to the provision of this Code.

Air transport ICAO-TI and IATA-DGR:

ICAO/IATA Class: - No hazardous good according to the regulation.
Remarks: Phthalic anhydride in the solid state and tetrahydrophythalic anhydrides, with 0,05% or less maleic anhydride, are not subjet to these Regulations. Phthalic anhydride molten at a temperature above its flashpoint, with 0,05% or less maleic anyhdride must be classified under UN 3256.
Markings according to EC guidelines for Tetrahydrophthalic Anhydride (THPA):
The product has been classified and marked in accordance with EU Directives / Ordinance on Hazardous Materials
"EC-labelling"

Risk phrases:
41 Risk of serious damage to eyes.
42/43 May cause sensitisation by inhalation and skin contact.
52/53 Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.

Safety phrases:
22 Do not breathe dust.
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.
61 Avoid release to the environment. Refer to special instructions/safety data sheets.

National regulations:


Information about limitation of use:

The number of employees handling this chemical substance has to be kept as small as possible.
Employment restrictions concerning pregnant and lactating women must be observed.
Restrictions on juvenile employment must be observed.

Water hazard class: Water hazard class 1 (Assessment by list): slightly hazardous for water.

Hazard description

GHS-hazard labels

GHS08 Health hazard GHS05 corrosivity GHS07

Hazadous material sign

Xi Irritant