Thionazin
Also known as Nemaphos, Thionazine, Cynem
Key facts
What buyers check first
- Appearance
- Pure cmpd is almost colorless liquid
- Melting point
- -1.7 °C
- Boiling point
- 80 °C
- Density
- 1.204-1.210 @ 25 °C
- Solubility
- 1140 PPM IN WATER @ 24.8 °C
- HS code
- 293399
- Category
- Insecticides and acaricides
- UN number
- UN 3018
What is Thionazin?
Plain description, key identifiers and synonyms
Thionazin is an organic thiophosphate.
Identifiers
Registry numbers, names and line notations, tap to copy
- IUPAC name
- diethoxy-pyrazin-2-yloxy-sulfanylidene-λ5-phosphane
- CAS number
- 297-97-2 CAS number cross-checked
- EC number
- 206-049-6
- Molecular formula
- C8H13N2O3PS
- UNII
- KLQ2UIW7HT
- MDL number
- MFCD00055349
- InChIKey
- IRVDMKJLOCGUBJ-UHFFFAOYSA-N
- InChI
- InChI=1S/C8H13N2O3PS/c1-3-11-14(15,12-4-2)13-8-7-9-5-6-10-8/h5-7H,3-4H2,1-2H3
- SMILES (canonical and isomeric)
- CCOP(=S)(OCC)OC1=NC=CN=C1
Synonyms
- Nemaphos
- Thionazine
- Cynem
- Zinophos
- Cynophos
- Nemafos
- Zynophos
- Nematocide GR
- American cyanamid 18133
- Zinofos
- Nemafos 10 G
- Ethyl pyrazinyl phosphorothioate
- Experimental nematocide 18,133
- Phosphorothioic acid, O,O-diethyl O-2-pyrazinyl ester
- Zinophos 10-G granular
- O,O-Diethyl O-pyrazin-2-yl phosphorothioate
- ACC 18133
- Phosphorothioic acid, O,O-diethyl O-pyrazinyl ester
- O,O-Diethyl O-pyrazinyl thiophosphate
- Zinphos Insecticide, Nematicide
- ENT 25,580
- Diethyl O-2-pyrazinyl phosphorothionate
- O,O-Diethyl O-pyrazinyl phosphorothioate
- AC 18133
- CL 18133
Show all 36 synonymsShow fewer synonyms
- EN 18133
- O,O-Diaethyl-O-(pyrazin-2yl)-monothiophosphat
- Pyrazinol, O-ester with O,O-diethyl phosphorothioate
- O,O-Diethyl O-2-pyrazinyl phosphorothioate
- diethoxy-pyrazin-2-yloxy-sulfanylidene-lambda5-phosphane
- en-18133Ent-25580american cyanamid 18133
- thionacine
- O,O-diethyl O-2-pyrazinylphosphorothioate
- RCRA waste number P040
- O,O-Diaethyl-O-(2-pyrazinyl)-thionophosphat
- RCRA waste no. P040
Physical and chemical properties
Measured values and descriptors computed from the structure
Physical and chemical properties
Measured values, check the supplier specification for your grade
| Appearance | Pure cmpd is almost colorless liquidexp.Measured value |
|---|---|
| Melting point | -1.7 °Cexp.Measured value |
| Boiling point | 80 °Cexp.Measured value |
| Density | 1.204-1.210 @ 25 °Cexp.Measured value |
| Solubility | 1140 PPM IN WATER @ 24.8 °Cexp.Measured value |
| Vapour pressure | 3 × 10⁻³ MM HG @ 30 °Cexp.Measured value |
Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.
Computed descriptors
Calculated from the structure, useful for screening and formulation
| Molecular weight | 248.24 g/molcalc.Computed value |
|---|---|
| Exact mass | 248.0385 Dacalc.Computed value |
| LogP (octanol/water) | 2.15calc.Computed value |
| Topological polar surface area | 53.47 Ųcalc.Computed value |
| Hydrogen bond donors | 0calc.Computed value |
| Hydrogen bond acceptors | 6calc.Computed value |
| Rotatable bonds | 6calc.Computed value |
| Heavy atoms | 15calc.Computed value |
| Rings | 1calc.Computed value |
| Aromatic rings | 1calc.Computed value |
| Fraction sp3 carbons | 0.5calc.Computed value |
| Formal charge | 0calc.Computed value |
| Stereocentres | 0calc.Computed value |
| Lipinski rule of five | Passes (0 violations)calc.Computed value |
Calculated for screening. Confirm critical figures with the supplier.
Murcko scaffold
The ring system that remains when every side chain is removed
Safety and hazards
GHS classification summary, not a safety data sheet
Hazard statements
- H300Fatal if swallowed.
- H310Fatal in contact with skin.
Precautionary statements (12)
- 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.
- P280Wear protective gloves, protective clothing, eye protection and face protection.
- P301 + P316If swallowed: Get emergency medical help immediately.
- P302 + P352If on skin: Wash with plenty of water.
- P316Get emergency medical help immediately.
- P321Specific treatment (see supplemental first aid instructions on the label).
- P330Rinse mouth.
- P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
- P405Store locked up.
- P501Dispose of contents and container in accordance with local regulations.
- UN number
- UN 3018
GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.
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Thionazin price
Indicative price range per kg from live supplier offers
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Uses and applications
What the substance is used for, by industry and function
Formerly a soil insecticide on vegetables, corn, strawberries, mint.
/Former uses/: Thionazin is a soil insecticide and nematocide effective against a number of plant parasitic as well as free living nematodes, including those attacking buds, bulbs, leaves and roots, as well as against soil dwelling pests such as root maggots and symphylids and foliar insects such as aphids and leaf miners. When incorporated in mushroom compost at spawning it is effective against mushroom flies.
Industries and functions
How it is made
Formerly by reaction of hydroxypyrazine with o,o-diethylphosphorochloridothioate
Regulatory status
Inventories, regulations and trade controls that list this substance
Europe
- EU harmonised classification (CLP Annex VI)Index no: 015-112-00-5
United States
- TSCA inventory (USA)Status: Active in US commerce
HS code and trade data
Customs classification and reported world trade statistics
Global trade
World import and export statistics for the HS code Thionazin is traded under.
Heterocyclic compounds with nitrogen hetero-atom(s) only, other
- Slovenia31.7%
- Italy24.2%
- United States5.0%
* Partner reported figures, a lower bound.
The HS code shown for Thionazin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.
Related chemicals
Parent and salt forms, stereoisomers, similar structures and isomers
Stereoisomers and isotopic forms
Same connectivity, different stereochemistry or isotopes (same InChIKey skeleton)
Same formula isomers
Different compounds that share this molecular formula
Frequently asked questions
Quick answers about Thionazin, based on the data on this page
What is Thionazin?
What is the CAS number of Thionazin?
What is the molecular formula and weight of Thionazin?
What is Thionazin used for?
Is Thionazin hazardous?
What is the HS code of Thionazin?
Where can I buy Thionazin?
What is the price of Thionazin?
Guides for buyers
Practical guides that help when you source, ship or handle Thionazin
- Guide, SafetyHow to read a safety data sheet in 10 minutesA section by section method to pull the essentials out of any 16 section SDS: identity, hazards, composition, storage, PPE, properties, transport and emergency measures.Read
- Guide, Trade and logisticsShipping dangerous goods: UN numbers, classes and packing groupsHow the UN dangerous goods system works for chemicals, from the nine classes and UN numbers to packing groups, UN packaging marks, labels, documents and segregation.Read
- Guide, SafetyGHS pictograms, signal words and hazard statements explainedA practical guide to the nine GHS pictograms, the signal words Danger and Warning, H and P statements, and how to read a chemical label in seconds.Read
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