Tetrahydrophthalic Anhydride

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.