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Chemical Sampling Information: |
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| Tolualdehyde (o, m and p isomers) |
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General Description
Synonyms: ortho-Tolualdehyde; meta-Tolualdehyde; para-Tolualdehyde
OSHA IMIS Code Number: T215 (Changed from T205 to T215 - 3/16/2005)
Chemical Abstracts Service (CAS) Registry Numbers: 529-20-4 (ortho); 620-23-5 (meta); 104-87-0 (para)
NIOSH, Registry of Toxic Effects (RTECS) Identification Number:
Chemical Description and Physical Properties:
molecular formula: C8H8O
molecular weight: 120.15 (ortho, meta, and para)
boiling point: 199° C (ortho and meta), 204° C (para)
specific gravity: 1.039 (ortho), 1.019 (meta and para)
flash point: 153° F (ortho), 173° F (meta), 176° F
Health Factors
Potential symptoms: Irritating to eyes, respiratory tract, and mucous membranes.
Health Effects: Nausea, vomiting, headaches, cough.
Monitoring Methods used by OSHA
Laboratory Sampling/Analytical Method:
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sampling media: Three coated glass fiber filters (open face) in one cassette, two back-to-back, the third one separated by a spacer. The filters are coated with 2,4-dinitrophenyl hydrazine and phoshporic acid
analytical solvent: Acetonitrile
maximum volume: 3 Liters maximum flow rate:
current analytical method: High Performance Liquid Chromatography; HPLC/UL
method reference: OSHA SLTC In-House File
method classification: Not Validated
note: Keep sample in the dark after sampling.
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