Substance profile
Sulfotep
Sulfotep is a colorless oil with a possesses a garlic odor.
01 · Identification
What Sulfotep is
Sulfotep is a colorless oil with a possesses a garlic odor. Its molecular formula is C8H20O5P2S2 and its molecular weight is 322.3 g/mol. It boils at 310 °C, melts at 88 °C, is miscible with water.
Under the GHS it carries the signal word Danger.
02 · Identifiers
Sulfotep identifiers and molecular data
Sulfotep CAS number and EC number
Sulfotep molecular formula and molecular weight
Other names for Sulfotep
- sulfotep (ISO)
- O,O,O,O-tetraethyl dithiopyrophosphate
03 · GHS classification
Sulfotep hazard classification
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
Sulfotep pictograms and signal word
Sulfotep hazard class and category
| Hazard class | Category | From code | Pictogram |
|---|---|---|---|
| Acute toxicity - oral GHS chapter 3.1 | Category 1 or 2 | H300 | GHS06 |
| Acute toxicity - dermal GHS chapter 3.1 | Category 1 or 2 | H310 | GHS06 |
| Hazardous to the aquatic environment - acute GHS chapter 4.1 | Category 1 | H400 | GHS09 |
| Hazardous to the aquatic environment - chronic GHS chapter 4.1 | Category 1 | H410 | GHS09 |
Where two values are shown with “or”, the hazard statement is shared by more than one category or by more than one class, and the code alone does not say which. H272, for example, belongs to oxidising liquids and to oxidising solids — the physical state decides. The binding answer for a specific entry is in the CLP Annex VI table itself.
Sulfotep hazard statements (H-codes)
| Code | Hazard statement |
|---|---|
| H310 | Fatal in contact with skin. |
| H300 | Fatal if swallowed. |
| H400 | Very toxic to aquatic life. |
| H410 | Very toxic to aquatic life with long lasting effects. |
This page lists only the codes assigned to Sulfotep. The full reference lives on the hazard statements hub, the precautionary statements hub and the GHS pictograms hub.
Safety Data Sheet
Getting an SDS for Sulfotep
A Safety Data Sheet is written for a product, not for a substance: the supplier of the grade you actually buy issues it, so two suppliers of Sulfotep issue two different sheets. That is why there is no single authoritative SDS for a substance to download — what there is, is the job of collecting the sheets for the products you hold and keeping them current as suppliers revise them.
04 · Precautionary statements
Sulfotep precautionary statements
CLP Annex VI assigns 10 precautionary statements to Sulfotep. They are grouped the way a label groups them: what to do before handling, what to do when something has already happened, how to store it and how to dispose of it.
Prevention
What to do before and during handling so the hazard never happens.
Response
What to do once exposure, spillage or fire has already happened.
Disposal
What has to happen to the contents and the empty container.
Reading the notation. … is a blank the supplier fills in — not a truncated sentence.· [square brackets] mark a part printed only when it applies.
05 · Names in the regulation
Sulfotep name in 23 EU languages
CLP Annex VI Part 3 is published in every language edition of the regulation, and the identification column is written out in each of them. Nothing below is translated by us: each line is the name as that edition prints it. Under Art. 18(2) the substance name from Annex VI is a lawful product identifier, so this is the wording to put on a label going to that market — and where the cell lists several designations, any one of them qualifies.
| Language | Name in CLP Annex VI Part 3 |
|---|---|
| Bulgarian български | сулфотеп (ISO) O, O,O, O -тетраетилов дитиопирофосфат |
| Spanish español | Sulfotep (ISO) ditiopirofosfato de O, O,O, O -tetraetilo |
| Czech čeština | sulfotep (ISO) O, O,O, O -tetraethyl-difosforodithioát |
| Danish dansk | sulfotep (ISO) O, O,O, O- tetraethyldithiopyrophosphat |
| German Deutsch | Sulfotep (ISO) O, O,O, O -Tetraethyldithiopyrophosphat |
| Estonian eesti | sulfotep (ISO) O , O , O , O -tetraetüülditiopürofosfaat |
| Greek ελληνικά | sulfotep (σουλφοτέπ) (ISO) διθειοπυροφωσφορικός O, O,O, O -τετρααιθυλεστέρας |
| English English | sulfotep (ISO) O, O,O, O -tetraethyl dithiopyrophosphate |
| French français | sulfotep (ISO) dithiopyrophosphate de O, O,O, O -tétraéthyle |
| Croatian hrvatski | sulfotep (ISO) O, O,O, O -tetraetil-ditiopirofosfat |
| Italian italiano | sulfotep (ISO) ditiopirofosfato di O, O,O, O-tetraetile |
| Latvian latviešu | sulfoteps (ISO) O, O,O, O -tetraetilditiopirofosfāts |
| Lithuanian lietuvių | sulfotepas (ISO) O, O,O, O -tetraetilditiopirofosfatas |
| Hungarian magyar | szulfotep (ISO) O, O,O, O -tetraetil-ditiopirofoszfát |
| Maltese Malti | sulfotep (ISO) ditijopirofosfat ta’ O, O,O, O-tetraetil |
| Dutch Nederlands | sulfotep (ISO) O , O , O , O -tetraëthyldithiopyrofosfaat |
| Polish polski | sulfotep (ISO) ditiopirofosforan O, O,O, O-tetraetylu1,2-ditiodifosforan(4-) O, O,O',O'-tetraetylu |
| Portuguese português | sulfotepe (ISO) ditiopirofosfato de O , O , O , O -tetraetilo |
| Romanian română | sulfotep (ISO) ditiopirofosfat de O, O,O, O -tetraetil |
| Slovak slovenčina | sulfotep (ISO) O, O,O, O -tetraetyl-difosforoditioát |
| Slovenian slovenščina | sulfotep (ISO) O, O,O, O -tetraetil ditiopirofosfat |
| Finnish suomi | sulfoteppi (ISO) O, O,O, O -tetraetyyliditiopyrofosfaatti |
| Swedish svenska | sulfotep (ISO) O, O,O, O -tetraetylditiopyrofosfat |
All 23 language editions of Annex VI carry this entry. Irish is the twenty-fourth official EU language and has no line here for a different reason: no consolidated CLP text has ever been published in Irish, so there is no Irish edition of Annex VI to quote a name from. Source: consolidated CLP, CELEX 02008R1272, language editions. © European Union, https://eur-lex.europa.eu — only the electronic Official Journal of the European Union is authentic.
06 · Label elements
Sulfotep GHS label elements
Everything CLP Annex VI fixes for Sulfotep, laid out the way it appears on a label. The greyed lines are the parts only the supplier can fill in.
Danger
Sulfotep
- Fatal in contact with skin.
- Fatal if swallowed.
- Very toxic to aquatic life.
- Very toxic to aquatic life with long lasting effects.
- Do not eat, drink or smoke when using this product.
- Avoid release to the environment.
- Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/…
- IF SWALLOWED:
- IF ON SKIN:
- Immediately call a POISON CENTER/doctor/…
- Rinse mouth.
- Wash with plenty of water/…
- Collect spillage.
- Dispose of contents/container to …
Supplier name, address and telephone number· Product identifier·Nominal quantity
Need this as an actual label? Open Sulfotep in the GHS label constructor →
07 · Health hazards
Sulfotep health hazards and exposure limits
Sulfotep hazard summary
Its toxicity is similar to that of parathion. [ACGIH] The average of two baseline respective cholinesterase activity determinations three days apart, with no exposures to enzyme inhibiting pesticides for at least 30 days, is recommended for each worker prior to exposure to cholinesterase inhibitors because of large inter-individual differences in published baseline values. To be established at least once a year. Removal from workplace exposures is recommended until the cholinesterase activity returns to within 20% of baseline. [TLVs and BEIs]
Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
Sulfotep occupational exposure limits
| Limit | Value | Source |
|---|---|---|
| PEL | 0.2 [mg/m3] | Haz-Map, Information on Hazardous Chemicals and Occupational Diseases |
| PEL | 0.2 mg/m³ | Occupational Safety and Health Administration (OSHA) |
| PEL | TWA 0.2 mg/m3 [skin] | The National Institute for Occupational Safety and Health (NIOSH) |
| REL | 0.2 mg/m³ | Occupational Safety and Health Administration (OSHA) |
| REL | TWA 0.2 mg/m3 [skin] | The National Institute for Occupational Safety and Health (NIOSH) |
| IDLH | 10 mg/m3 (NIOSH, 2024) | CAMEO Chemicals |
| IDLH | 10.0 [mg/m3] | Haz-Map, Information on Hazardous Chemicals and Occupational Diseases |
| IDLH | 10 mg/cu m | Hazardous Substances Data Bank (HSDB) |
These are United States values. The European Union sets its own indicative and binding limits, and the figure that applies at a given workplace is the one in the local regulation — not the one shown here.
08 · Physical and chemical properties
Sulfotep properties
Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.
Sulfotep boiling point
| Property | Value | Conditions | Source |
|---|---|---|---|
| Boiling point | 310 °C (590 °F) | at 760 mmHg | DOE PAC |
| 137.5 °C (279.5 °F) | range, midpoint shown, at 2 mmHg (reduced pressure) | HSDB |
Sulfotep melting point
| Property | Value | Conditions | Source |
|---|---|---|---|
| Melting point | 88 °C (190.4 °F) | DOE PAC |
Sulfotep density
| Property | Value | Conditions | Source |
|---|---|---|---|
| Density | 1.2 g/cm³ | ICSC | |
| 1.196 g/cm³ | at 25 °C | HSDB |
Sulfotep solubility
| Property | Value | Conditions | Source |
|---|---|---|---|
| Solubility | Miscible in n-hexane, dichloromethane, 2-propanol, toluene | HSDB | |
| Miscible with most organic solvents. Sparingly soluble in ligroin and petroleum ether. | HSDB | ||
| Sol in water, 30 mg/l @ 20 °C | at 20 °C | HSDB |
Sulfotep vapor pressure
| Property | Value | Conditions | Source |
|---|---|---|---|
| Vapor pressure | 0.0002 mmHg | NIOSH | |
| 0.000105 mmHg | at 20 °C | HSDB | |
| 0.00017 mmHg | at 20 °C | CAMEO |
Sulfotep flash point
| Property | Value | Conditions | Source |
|---|---|---|---|
| Flash point | Not combustible (EPA, 1998) | CAMEO |
Sulfotep lower explosive limit (LEL)
| Property | Value | Conditions | Source |
|---|---|---|---|
| Lower explosive limit (LEL) | Combustible Liquid | NIOSH |
Sulfotep corrosivity
| Property | Value | Conditions | Source |
|---|---|---|---|
| Corrosivity | Corrosive to iron | HSDB |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
09 · Handling and storage
Sulfotep storage and handling
Sulfotep safe storage
Dry. Well closed. Separated from strong oxidants and food and feedstuffs. Keep in a well-ventilated room. Do NOT store or transport in containers made from metal. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing.
Source: ILO-WHO International Chemical Safety Cards (ICSCs)
Sulfotep incompatible materials
Incompatible with strong oxidizers
Source: Hazardous Substances Data Bank (HSDB)
Sulfotep reactivity
TETRAETHYL DITHIOPYROPHOSPHATE is incompatible with the following: Strong oxidizers, iron [Note: Corrosive to iron.] (NIOSH, 2024). Organothiophosphates are susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrides. Partial oxidation by oxidizing agents may result in the release of toxic phosphorus oxides.
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check Sulfotep in the storage compatibility matrix →
10 · Questions
Sulfotep — frequently asked questions
What is the CAS number of Sulfotep?
The CAS number of Sulfotep is 3689-24-5. Its EC number is 222-995-2.
What is the chemical formula of Sulfotep?
The molecular formula of Sulfotep is C8H20O5P2S2 and its molecular weight is 322.3 g/mol.
What does a Sulfotep label have to show?
Under CLP Annex VI the label for Sulfotep carries the pictograms Skull and crossbones and Environment and the signal word is Danger.
Is Sulfotep flammable?
CLP Annex VI assigns Sulfotep no flammability hazard class. That is not a statement that it cannot burn: the harmonised list only records the hazards that were assessed for it. The flash point reported for it is Not combustible (EPA, 1998) (CAMEO).
Is Sulfotep a carcinogen?
CLP Annex VI records no harmonised carcinogenicity classification for Sulfotep. Annex VI is a list of agreed classifications, not a list of substances found safe, so this is an absence of a classification rather than a clean bill of health.
What is the exposure limit for Sulfotep?
The US occupational exposure limit reported for Sulfotep is 0.2 [mg/m3] (Haz-Map, Information on Hazardous Chemicals and Occupational Diseases). Limits differ by country: the EU sets its own indicative and binding values, and the figure that applies at a given workplace is the one in the local regulation.
What is the boiling point of Sulfotep?
The boiling point reported for Sulfotep is 310 °C (590 °F), at 760 mmHg (DOE PAC).
What is the melting point of Sulfotep?
The melting point reported for Sulfotep is 88 °C (190.4 °F) (DOE PAC).
Nearby
Substances next to Sulfotep
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