Molekula
Pirimiphos-methyl
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Pirimiphos-methyl is an organophosphate insecticide and acaricide widely used in agriculture, public health, and stored product protection to control pests like insects, mites, and ticks. It disrupts the nervous system of target organisms, making it effective for crop protection, wood preservation, and livestock treatment. This chemical has a CAS number of 29232-93-7, with the molecular formula C11H20N3O3PS and a molecular weight of 305.33. It must be stored between 2 to 8°C and carries a **Danger** signal word due to its hazardous properties. Molekula supplies Pirimiphos-methyl from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Light yellow liquid |
| Melting Point | 13°C - 16°C |
| Water | ≤0.2% |
| Purity | ≥90% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Straw-colored liquid |
| Water Solubility | 5 mg/L at 30 °C |
| Vapour Pressure | 1.5 × 10⁻⁵ mmHg |
| Refractive Index | 1.527 |
| pKa | pKa = 4.30 |
| log P (octanol/water) | 4.12 |
Source: PubChem CID 34526 (HSDB, Occupational Safety and Health Administration (OSHA))
Identification
| Property | Value |
|---|---|
| SKU | 90031216 |
| CAS Number | 29232-93-7 |
| IUPAC Name | 4-dimethoxyphosphinothioyloxy-N,N-diethyl-6-methylpyrimidin-2-amine |
| EC Number | 249-528-5 |
| Molecular Formula | C11H20N3O3PS |
| Molecular Weight | 305.33 |
| Exact Mass | 305.0963 |
| SMILES | CCN(CC)C1=NC(=CC(=N1)OP(=S)(OC)OC)C |
| InChIKey | QHOQHJPRIBSPCY-UHFFFAOYSA-N |
| InChI | InChI=1S/C11H20N3O3PS/c1-6-14(7-2)11-12-9(3)8-10(13-11)17-18(19,15-4)16-5/h8H,6-7H2,1-5H3 |
| PubChem CID | 34526 |
| UN Number | UN2810 |
| REACH Code | Y110 |
| HTS Code | 2933.59.9500 |
| Tariff Code | 2933599590 |
Safety & GHS
-
Toxic
GHS06
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H331 Toxic if inhaled
- H370 Causes damage to organs
- H372 Causes damage to organs through prolonged or repeated exposure
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P201 Obtain special instructions before use
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+330 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P304+312 IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- Actelic
- Actellifog
- Aktellik
- BLEX
- Methylpirimiphos
- Pirimifosmethyl
- Pyridimine phosphate
- Pyrimiphos methyl
- Silosan
- Sybol 2
Frequently asked questions
What is pirimiphos-methyl used for?
Pirimiphos-methyl is primarily used as an insecticide to control pests in agricultural settings, stored products, and public health applications.
What is the chemical formula and molecular weight of pirimiphos-methyl?
The chemical formula is **C₁₁H₂₀N₃O₃PS**, and the molecular weight is **305.33 g/mol**.
What is the recommended storage condition for pirimiphos-methyl?
Store pirimiphos-methyl at **2–8°C** to maintain stability and efficacy.
What hazard classification does pirimiphos-methyl fall under?
Pirimiphos-methyl is classified with the **signal word 'Danger'** due to its acute toxicity.
Does Molekula supply pirimiphos-methyl in bulk quantities?
Yes, Molekula can supply pirimiphos-methyl in bulk, depending on customer requirements and regulatory compliance.
What documentation comes with a pirimiphos-methyl order?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.