para-tert.-Butylbenzoic Acid

Product details

para-tert Butylbenzoic Acid (PTBBA) is a Carboxylic Acid and is available as white, crystalline powder.

CAS-No. 98-73-7
EINECS-No. 202-696-3
Chemical formula: C11H14O2

Synonym: 4-(2-Methyl-2-propanyl)benzoic acid | PTBBA
Uses/applications: Catalyst for alkyd Resins, additive for cooling lubricants, PVC-stabilizer, Anti-oxidant

Specifications

Product CodeQualityPacking UnitSpec SheetInquiry
12080 min. 99.0 % 25 kgs bags Contact
12082 min. 99.0 % 500 kgs big bags Contact

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

 MSDS EN  SDB DE  MSDS ES
 MSDS IT  MSDS FR  MSDS NL
 MSDS PT

More information

Information pertaining to particular dangers for man and environment:
R 20/21/22 Harmful by inhalation, in contact with skin and if swallowed.
R 48/20/21/22 Harmful: danger of serious damage to health by prolonged exposure through inhalation, in contact with skin and if swallowed.
R 62 Possible risk of impaired fertility.
R 51/53 Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.

Classification system for para-tert.-Butylbenzoic Acid (PTBBA):
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 para-tert.-Butylbenzoic Acid (PTBBA), 4-tert-Butyl-1-Benzenecarboxylic Acid:
CAS No. Description: 98-73-7 4-tert-butylbenzoic acid

Identification number(s):
EINECS Number: 202-696-3
General Information for para-tert.-Butylbenzoic Acid (PTBBA), 4-tert-Butyl-1-Benzenecarboxylic Acid:
Form: Flakes
Colour: White
Odour: Light, Aromatic

Change in condition
Melting point/Melting range: 166-167°C
Boiling point/Boiling range:
280°C, Decomposition
Flash point:
180°C
Ignition temperature: > 510°C
Decomposition temperature: > 280°C
Danger of explosion: Product does not present an explosion hazard.
Vapour pressure at 20°C: < 0.01 hPa
Density at 20°C:
0.6 g/cm³

Solubility in / Miscibility with

Water at 20 °C:


0.3 g/l
pH-value at 20°C: 3.9 in saturated solution
· Segregation coefficient (n-octanol/water) at 21°C: 3.4 log POW
Land transport ADR/RID (cross-border) for para-tert.-Butylbenzoic Acid (PTBBA):
ADR/RID class: 9 (M7) Miscellaneous dangerous substances and articles.
Danger code (Kemler): 90
UN-Number: 3077
Packaging group: III
Label: 9
Description of goods: 3077 ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (4-tert-butylbenzoic acid)
Remarks: Limited Quantity:6 kg per inner packaging, 30 kg gross per packaging unit
Maritime transport IMDG:
IMDG Class: 9
UN Number: 3077
Label: 9
Packaging group:: III
EMS-Number: F-A,S-F
Proper shipping name: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (4-tert-butylbenzoic acid)
Lufttransport ICAO-TI und IATA-DGR:
ICAO/IATA Class: 9
UN Number: 3077
Label: 9
Packaging group:: III
Proper shipping name: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (4-tert-butylbenzoic acid)
Markings according to EC guidelines for para-tert.-Butylbenzoic Acid (PTBBA):
The product has been classified and marked in accordance with EU Directives / Ordinance on Hazardous Materials

Risk phrases:
20/21/22 Harmful by inhalation, in contact with skin and if swallowed.
48/20/21/22 Harmful: danger of serious damage to health by prolonged exposure through inhalation, in contact with skin and if
swallowed.
62 Possible risk of impaired fertility.
51/53 Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.

Safety phrases:
9 Keep container in a well-ventilated place.
36/37 Wear suitable protective clothing and gloves.
61 Avoid release to the environment. Refer to special instructions/safety data sheets.

National regulations:


Information about limitation of use:

Employment restrictions concerning pregnant and lactating women must be observed.
Restrictions on juvenile employment must be observed.

Water hazard class: Water danger class 3 (Self-assessment): extremely hazardous for water.

GHS-hazard labels

GHS-hazard labels

Hazadous material sign

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