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Insecticides and acaricides

Temephos safety data

GHS hazards, precautions, first aid, handling and transport for Temephos. A classification summary, not a safety data sheet.
CAS 3383-96-8Formula C16H20O6P2S3

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

GHS classification

Pictograms, signal word and hazard classes of the GHS classification

GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment
Signal word
Danger

Hazard classes and categories

  • Acute Tox. 4 (oral)
  • Acute Tox. 3 (dermal)
  • Acute Tox. 4 (dermal)
  • Acute Tox. 4 (inhalation)
  • STOT RE 1
  • Aquatic Acute 1
  • Aquatic Chronic 1

Hazard statements

H codes grouped by type. Percentages show the share of classification notifications that report the statement

Health hazards

  • H302Harmful if swallowed.
  • H311Toxic in contact with skin.
  • H312Harmful in contact with skin.
  • H332Harmful if inhaled.
  • H372Causes damage to organs through prolonged or repeated exposure.

Environmental hazards

  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.

Precautionary statements

P codes for prevention, response, storage and disposal

Prevention

  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.

Response

  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P316Get emergency medical help immediately.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.

Storage

  • P405Store locked up.

Disposal

  • P501Dispose of contents and container in accordance with local regulations.

First aid

General first aid measures. Get medical advice if you feel unwell

If inhaled
Respiratory support.
Skin contact
If this chemical contacts the skin, immediately wash the contaminated skin with soap and water. If this chemical penetrates the clothing, immediately remove the clothing, wash the skin with soap and water, and get medical attention promptly.
Eye contact
If this chemical contacts the eyes, immediately wash (irrigate) the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately.
If swallowed
If this chemical has been swallowed, get medical attention immediately.

Handling, storage and disposal

Summaries only, follow the supplier SDS for your grade

Safe handling

Fire: NO open flames.

General: PREVENT DISPERSION OF DUST! PREVENT GENERATION OF MISTS!

Inhalation: Use ventilation (not if powder), local exhaust or breathing protection.

Skin: Protective gloves. Protective clothing.

Eyes: Wear face shield or eye protection in combination with breathing protection.

Ingestion: Do not eat, drink, or smoke during work. Wash hands before eating.

Storage

Provision to contain effluent from fire extinguishing. Separated from food and feedstuffs. Well closed. Store in an area without drain or sewer access.

Disposal

Hydrolysis: No hydrolysis was observed several hr at 40 °C and pH 11 or at pH 8 and room temp for several weeks. Essentially complete hydrolysis may be obtained upon heating in concentrated KOH /potassium hydroxide/ for 20 min. Recommendable method: Incineration. Peer-review: For large amt incineration in a unit with effluent gas scrubbing is recommendable. (Peer-review conclusions of an IRPTC expert consultation (May 1985)) The following wastewater treatment technologies have been investigated for Malathion: Biological treatment and reverse osmosis. /Malathion/

Exposure limits and toxicity

Occupational exposure limits and toxicity data

OSHA PEL, 8-hour TWA
15 mg/m³ (total dust), 5 mg/m³ (respirable fraction)
NIOSH REL, TWA
10 mg/m³ (total), 5 mg/m³ (resp)
ACGIH TLV, 8-hour TWA
1 mg/m³ (inhalable particulate matter)

Short-term exposure: Cholinesterase inhibition. The substance may cause effects on the nervous system. This may result in convulsions and respiratory depression. The effects may be delayed. Medical observation is indicated. Exposure far above the OEL could cause death. Long-term exposure: Cholinesterase inhibition. Cumulative effects are possible. See Acute Hazards/Symptoms.

Transport information

UN dangerous goods classification for road, sea and air

UN number
UN 3077
Transport hazard class
6.1
Packing group
III

Shipping rules depend on mode, quantity and packaging. Confirm the classification with the supplier SDS and your freight forwarder.

Supplier safety data sheets

SDS documents uploaded by suppliers who list this chemical

No supplier has uploaded an SDS for Temephos yet. Suppliers usually send one with their quote. Request quotes

Safety questions

Quick answers about handling Temephos safely

Is Temephos hazardous?

Temephos carries the GHS signal word "Danger". Main hazards: harmful if swallowed, toxic in contact with skin, harmful in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

Which GHS pictograms apply to Temephos?

The GHS classification of Temephos shows 4 pictograms: GHS06 (acute toxicity (severe)), GHS07 (harmful or irritant), GHS08 (serious health hazard), GHS09 (hazardous to the environment).

What is the UN number of Temephos?

Temephos is transported under UN 3077, hazard class 6.1, packing group III. Check the supplier SDS and the current ADR, IMDG or IATA rules before shipping.

How should Temephos be stored?

Provision to contain effluent from fire extinguishing. Separated from food and feedstuffs. Well closed. Store in an area without drain or sewer access.

Where can I get the SDS for Temephos?

Ask the supplier for the safety data sheet of the exact grade you buy. Suppliers on CompoundList can attach their SDS to listings and send it with a quote. This page is a GHS classification summary, not an SDS.

GHS classification summary, not an SDS. Always check the supplier's SDS. Last updated 7 Oct 2026. Report an error

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