Material Safety Data Sheet
MSDS has been prepared in accordance with EC
Directive 93/112/EEC
Section 1 Chemical Product and Company Identification
Name: Dimethylphthalate
Synonyms: Product type: Date revised: June 2002
Previous: 29 Nov 2001
Dimethylphthalate Liquid density certified reference material
Manufacturer:
H & D Fitzgerald Ltd. Cefn Du, Tremeirchion, St Asaph, Clwyd, LL17 0US UK
Prepared by: Denis Fitzgerald
Chemical family: carboxylic acid methyl ester
Poison schedule number: None allocated
Chemical Formula: C10H10O4
Section 2 Composition / Information on ingredients
Substance name C.A.S. No. EINECS No. % weight HSCN (Tariff#)
Dimethylphthalate 131-11-3 2050116 100% 29173490
Section 3 Hazards identification
Emergency overview
Colourless slightly viscous liquid. (鈮? 17 MPaS at 20掳C) with slight smell of ester.
Supplied sealed in a 10ml glass ampoule.
Caution: None.
Potential environmental effects: None in the quantity supplied in a 10 ml ampoule.
Potential health effects
Eyes: Irritant.
Skin: None.
Ingestion: Causes gastrointestinal irritation with vomiting & diarrhoea. Reported to cause burning of lips,
tongue, and mouth.
Chronic: May cause foetal malformation. This material is not listed as carcinogenic.
Section 4 First Aid measures
Eyes: Wash eyes with water or normal saline. If symptoms develop, seek medical advice.
Skin: Wash with soap and water.
Ingestion: Wash out mouth with water. Do not swallow mouthwash. Transport to hospital.
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Section 5 Fire fighting measures
Extinguishing media: Use any extinguishing media appropriate for surrounding fire.
Unsuitable media: None
Lower explosive limit: Upper explosive limit: Flash point:
0.94% by volume Not determined 146掳C
Flammability classification: Flame propagation: Ignition in air:
1 (slight fire hazard) Not determined Autoignition temperature 555掳C
Combustion hazards: Combustible,
Protective equipment: Use breathing apparatus if large amounts of dimethylphthalate are involved.
Unusual fire hazards: Toxic gases (oxides of carbon) may be released in a fire involving
dimethylphthalate.
Static charge effects: Not applicable
Section 6 Spillage measures
Spill cleanup: Mop up liquid and place in waste disposal container.
Environmental precautions: None needed for the quantity supplied in an ampoule.
Section 7 Handling and storage
Handling precautions: Avoid contact with eyes.
Storage precautions: Store ampoule in package until ready to use. Store in a cool place if possible (less
than 25掳C)
Section 8 Exposure controls and personal protection
3
Exposure guidelines: OSHA set exposure limit of 5 mg/m air for 8 hr day exposure.
Personal protective equipment
Eye/Face protection: Safety glasses are recommended to minimise eye contact.
Hands: Wash hands with soap before eating or drinking.
Section 9 Physical and chemical properties
Physical state: Colour: Odour:
Liquid Colourless Slight ester smell
pH: Freezing point: Boiling point:
Not determined 2掳C 284掳C
Miscibility with water: Density of liquid:
-3
鈮?1191 kgm @ 20掳C
Almost immiscible with water
Vapour pressure: Molecular weight:
<0.01mbar @20掳C 194.2
Section 10 Stability and reactivity
Conditions to avoid: Stable.
Incompatible materials: Avoid contact with strong acids or oxidising agents.
Reactivity: None known.
Hazardous decomposition: Toxic gases may be released in a fire involving dimethylphthalate.
Hazardous polymerisation: Will not occur.
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Section 11 Toxicological information
Acute effects
Acute inhalation: Causes coughing. Sittig [1991]
Acute ingestion: LD50(rat): 6800 mg/kg. NIOSH [1991]
Acute skin: LD50(rabbit): >20 ml/kg. Clayton & Clayton [1982]
Eye irritation: Causes considerable eye pain but no, or very slight, reversible damage
[Grant 1986]
Skin irritation: Has been used as an insect repellent since 1945, no reported cases of
irritation or sensitisation.
Chronic effects No signs or symptoms of chronic exposure have been reported in humans
Chronic ingestion: Not tested
Chronic eye: Not tested
Chronic skin: None
Mutagenic effects: Not observed
Reproductive effects: Large doses cause congenital malformation in rats.
Sensitisation None
Section 12 Ecological information
Persistence / degradability: Material may accumulate in the environment, and may be an oestrogen
mimic.
Ecotoxicity: No data available
Section 13 Disposal
For small quantities: Absorb on paper or sand and follow company policy for disposal of small quantities
of non-flammable organic compounds.
Observe all national and local environmental regulations.
Section 14 Transport information
UN Number UN shipping name UN class
Not applicable Not regulated Not applicable
RID /ADR IMDG shipping name ICAO / IATA:
Non hazardous for rail or road Non hazardous for sea freight Non hazardous for air freight
Section 15 Regulatory information
European classification:
Label symbols: none
R36/37/38 Irritating to eyes, respiratory system, and skin.
S26 In case of contact with eyes, rinse immediately with plenty of water, and seek medical advice.
S36/37 Wear suitable protective clothing and gloves.
Section 16 Other information
Reason for revision: change to new format
Disclaimer: H&D Fitzgerald Ltd. believes that the data given here is accurate. It is derived from published
information about dimethylphthalate. No warranty, expressed or implied, is intended. The data is provided for
your information and consideration when using dimethylphthalate as a certified reference material for the
calibration of density meters. H&D Fitzgerald Ltd. assumes no legal responsibility for its use.
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