International Chemical Safety Cards CRESOL (mixed isomers) ICSC: 0512 CRESOL (mixed isomers) Hydroxymethylbenzene Cresylic acid Methyl phenol (mixture of o-, m-, p-cresol) C7H8O Molecular mass: 108.1 CAS # 1319-77-3 RTECS # GO5950000 ICSC # 0512 UN # 2076, 2022 EC # 604-004-00-9 TYPES OF HAZARD/ EXPOSURE ACUTE HAZARDS/ SYMPTOMS PREVENTION FIRST AID/ FIRE FIGHTING FIRE Combustible. NO open flames, NO sparks, and NO smoking. Powder, alcohol-resistant foam, water in large amounts, carbon dioxide. EXPLOSION Above 43°C explosive vapour/air mixtures may be formed. Above 43°C use a closed system, ventilation, and explosion-proof electrical equipment. EXPOSURE STRICT HYGIENE! IN ALL CASES CONSULT A DOCTOR! INHALATION Confusion, cough, dizziness, headache, shortness of breath, sore throat, unconsciousness, weakness. Symptoms may be delayed (see Notes). Ventilation, local exhaust, or breathing protection. Fresh air, rest. Half-upright position. Artificial respiration if indicated. Refer for medical attention. SKIN May cause toxic effects within 20-30 minutes after skin contact. MAY BE ABSORBED! Redness, serious skin burns, pain. Protective gloves. Protective clothing. Safety shower/eye-wash fountain in the immediate work area. First rinse with plenty of water, then remove contaminated clothes and rinse again. Refer for medical attention (see Notes). EYES Irritation, pain, severe deep burns. Face shield or eye protection in combination with breathing protection. First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor. INGESTION Abdominal pain, diarrhoea, vomiting (further see Inhalation). Do not eat, drink, or smoke during work. Rinse mouth. Do NOT induce vomiting. Refer for medical attention. SPILLAGE DISPOSAL STORAGE PACKAGING & LABELLING Collect leaking liquid in covered containers. Absorb remaining liquid in sand or inert absorbent and remove to safe place. Do NOT let this chemical enter the environment (extra personal protection: complete protective clothing including self-contained breathing apparatus). Separated from strong oxidants, strong bases, strong acids. Dry. Keep in a well-ventilated room. T symbol R: 24/25-34 S: 2-28-44 Note: C UN Hazard Class: 6.1 UN Packing Group: II SEE IMPORTANT INFORMATION ON BACK ICSC: 0512 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities © IPCS CEC 1993 No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and IDLH values.

International Chemical Safety Cards CRESOL (mixed isomers) ICSC: 0512 I M P O R T A N T D A T A PHYSICAL STATE; APPEARANCE: COLOURLESS OR YELLOWISH HYGROSCOPIC LIQUID , WITH CHARACTERISTIC ODOUR. TURNS DARK ON EXPOSURE TO AIR. PHYSICAL DANGERS: CHEMICAL DANGERS: The substance decomposes on heating producing strong acids and bases , causing fire and explosion hazard. Attacks many metals. OCCUPATIONAL EXPOSURE LIMITS (OELs): TLV: 5 ppm; 22 mg/m3 (skin) (ACGIH 1991-1992). OSHA PEL: TWA 5 ppm (22 mg/m3) skin NIOSH REL: TWA 2.3 ppm (10 mg/m3) NIOSH IDLH: 250 ppm ROUTES OF EXPOSURE: The substance can be absorbed into the body by inhalation and through the skin, and by ingestion. INHALATION RISK: A harmful contamination of the air will be reached rather slowly on evaporation of this substance at 20°C. EFFECTS OF SHORT-TERM EXPOSURE: The substance is corrosive to the eyes, the skin and the respiratory tract. Corrosive on ingestion. Inhalation of the substance may cause lung oedema (see Notes). The substance may cause effects on the central nervous system. Exposure may result in death. The effects may be delayed. Medical observation is indicated. EFFECTS OF LONG-TERM OR REPEATED EXPOSURE: Repeated or prolonged contact with skin may cause dermatitis. Lungs may be affected by repeated or prolonged exposure. The substance may have effects on the kidneys and liver. Repeated exposure may cause injury of the liver and kidneys. PHYSICAL PROPERTIES Boiling point: 185-205°C Melting point: 11-35°C Relative density (water = 1): 1.03-1.04 Solubility in water, g/100 ml: About 2 Vapour pressure, Pa at 25°C: 14-32 Relative vapour density (air = 1): 3.7 Flash point: 43-82°C Auto-ignition temperature: About 559°C Explosive limits, vol% in air: 1.1-? Octanol/water partition coefficient as log Pow: 1.94-1.96 ENVIRONMENTAL DATA This substance may be hazardous to the environment; special attention should be given to water. It is strongly advised not to let the chemical enter into the environment. NOTES Depending on the degree of exposure, periodic medical examination is indicated. The symptoms of lung oedema often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rest and medical observation are therefore essential. Immediate administration of an appropriate spray, by a doctor or a person authorized by him/her, should be considered. Continue decontamination by wiping skin with solution of polyethylene glycol (1 part of polyetylene glycol and 2 parts of water). Can be absorbed through the skin also from diluted solutions. Bacillol, Tekresol, Trikresol are trade names. NFPA Code: H 3; F 1; R 0; 3 ADDITIONAL INFORMATION ICSC: 0512 CRESOL (mixed isomers) © IPCS, CEC, 1993

IMPORTANT LEGAL NOTICE: Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH, the CEC or the IPCS is responsible for the use which might be made of this information. This card contains the collective views of the IPCS Peer Review Committee and may not reflect in all cases all the detailed requirements included in national legislation on the subject. The user should verify compliance of the cards with the relevant legislation in the country of use. The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and IDLH values.