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1. Identification of the substance/preparation and of the company/undertaking |
Identification of the product | ||
Catalogue No.: | 800408 | |
Product name: | Maleic anhydride for synthesis |
Manufacturer/supplier identification | ||
Company: |
Merck Ltd. 9th Floor, Monterey Tower, 2170 New Petchburi Road, Bangkapi, Huaykwang, Bangkok 10320 Tel: (662) 308 - 0218 |
2. Composition/information on ingredients |
Synonyms |
Maleic acid anhydride |
CAS-No.: | 108-31-6 | EC-Index-No.: | 607-096-00-9 | ||
Molar mass: | 98.06 | EINECS-No.: | 203-571-6 | ||
Molecular formula: | C4H2O3 |
3. Hazards identification |
Harmful if swallowed. Irritating to eyes, respiratory system and skin. May cause sensitization by inhalation. |
4. First aid measures |
After skin contact: wash off with plenty of water. Remove contaminated clothing. After eye contact: rinse out with plenty of water for at least 10 minutes with the eyelid held wide open. Summon eye specialist. After inhalation: fresh air. After swallowing: make the victim drink plenty of water, induce vomiting. Summon doctor. |
5. Fire-fighting measures |
Suitable extinguishing media: |
powder , CO2 , foam |
Special risks: |
Combustible. Danger of dust explosion. Keep workplace dry. Do not allow product to come into contact with water. |
6. Accidental release measures |
Take up dry. |
7. Handling and storage |
Handling: |
No further requirements. |
Storage: |
tightly closed , dry , in a well-ventilated place |
8. Exposure controls/personal protection |
Specific control parameter | ||
MAK Germany (max. workplace conc.) | ||
Maleic acid anhydride | 0.1 ml/m3 or 0.41 mg/m3 |
Personal protective equipment: | |
Respiratory protection: | required |
Eye protection: | required |
Hand protection: | required |
Industrial hygiene: | Change contaminated clothing. Application of skin-protective barrier cream recommended. Wash hands after working with substance. Work under hood . Do not inhale substance. |
9. Physical and chemical properties |
Form: | scales | |||
Colour: | white | |||
Odour: | aromatic | |||
pH value | not available | |||
Melting temperature | 51 - 53 °C | |||
Boiling temperature | not available | |||
Ignition temperature | 475 °C | |||
Flash point | 103 °C | |||
Explosion limits | lower | 1.4 Vol% | ||
upper | ||||
Vapour pressure | (40 °C) | 1.3 hPa | ||
Density | (55 °C) | 1.32 g/cm3 | ||
Solubility in | water | (20 °C) | (decomposition) | |
acetone | (20 °C) | soluble | ||
Thermal decomposition | > 200 °C |
10. Stability and reactivity |
Conditions to be avoided |
no information available |
Substances to be avoided |
alkali metals , amines and strong alkalis |
Hazardous decomposition products |
no information available |
Further information |
sensitive to moisture |
11. Toxicological information |
Acute toxicity |
LD50 (oral, rat): 400 mg/kg LD50 (dermal, rabbit): 2620 mg/kg |
Further toxicological information |
After skin contact: Severe irritations. After eye contact: Severe irritations. After inhalation: Irritations of the mucous membranes, coughing, and dyspnoea. Sensitization with allergic manifestationsin predisposed persons. After uptake of large quantities: Toxic effect on: lungs , kidneys |
Further data |
Further hazardous properties cannot be excluded. The product should be handled with the care usual when dealing with chemicals. |
12. Ecological information |
Adverse ecological effects cannot be excluded in the event of improper handling or disposal. |
13. Disposal considerations |
Product: |
There are no uniform EC Regulations for the disposal of chemicals or residues. Chemical residues generally count as special waste. The disposal of the latter is regulated in the EC member countries through corresponding laws and regulations. We recommend that you contact either the authorities in charge or approved waste disposal companies which will advise you on how to dispose of special waste. |
Packaging: |
Disposal in compliance with official regulations. Handle contaminated packaging in the same way as the substance itself. If not officially specified differently, non-contaminated packaging may be treated like household waste or recycled. |
14. Transport information |
Transport over land ADR/RID and GGVS/GGVE (Germany) | ||||
GGVS/GGVE class: | 8 | Number and letter: | 31c | |
ADR/RID class: | 8 | Number and letter: | 31c | |
Name of material: | 2215 MALEINSAEUREANHYDRID |
River transport ADN/ADNR | |||
not examined |
Sea transport IMDG | ||||||
IMDG class: | 8 | UN-No.: | 2215 | Packaging group: | III | |
Ems: | 8-05 | MFAG: | 700 | |||
Correct technical name: | MALEIC ANHYDRIDE |
Air transport ICAO-TI and IATA-DGR | |||||
ICAO/IATA class: | 8 | UN/ID-No.: | 2215 | Packaging group: | III |
Correct technical name: | MALEIC ANHYDRIDE |
The transport regulations are cited according to international regulations and in the form applicable in Germany (GGVS/GGVE). Possible national deviations in other countries are not considered. |
15. Regulatory information |
Labelling according to EC Directives | ||
Symbol: | Xn | Harmful immediately and show this container or label. |
R-phrases: | R 22-36/37/38-42 | Harmful if swallowed. Irritating to eyes, respiratory system and skin. May cause sensitization by inhalation. |
S-phrases: | S 22-28.1-39 | Do not breathe dust. After contact with skin, wash immediately with plenty of water. Wear eye/face protection. |
EC-No.: | 203-571-6 | EC label |
German regulations | ||
Water pollution class | 1 | (slightly polluting substance) |
16. Other information |
no information available |