Molekula
Phenothiazine
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
Phenothiazine is a tricyclic organic compound primarily used as an intermediate in the synthesis of dyes, pharmaceuticals (e.g., antipsychotics), and agricultural chemicals. It also serves as a stabilizer in plastics and rubber formulations. This pale yellow crystalline powder has a CAS number of 92-84-2, a molecular formula of C12H9NS, and a molecular weight of 199.27 g/mol. It is stored at ambient conditions under proper ventilation, with a signal word of *Warning* for handling. Molekula supplies Phenothiazine 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 kg — £107.50 per pack ex VAT · £129.00 inc. VAT
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 | Grey to Green to Light yellow powder |
| Melting Point | 183 -186 °C |
| Loss on Drying | ≤0.3% |
| Assay | ≥99% |
| Residue on Ignition | ≤0.1% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 9 |
| Packing Group | III |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Grayish-green to greenish yellow powder, granules or flakes |
| Odour | Slight odor |
| Melting Point | 185.1 °C |
| Boiling Point | 371 °C |
| Vapour Pressure | 0 mmHg (approx) |
| pKa | pKa = 2.52 |
| log P (octanol/water) | 4.15 |
Source: PubChem CID 7108 (HSDB, ICSC, The National Institute for Occupational Safety and Health (NIOSH))
Identification
| Property | Value |
|---|---|
| SKU | 90028302 |
| CAS Number | 92-84-2 |
| IUPAC Name | 10H-phenothiazine |
| EC Number | 202-196-5 |
| Molecular Formula | C12H9NS |
| Molecular Weight | 199.27 |
| Exact Mass | 199.0456 |
| SMILES | C1=CC=C2C(=C1)NC3=CC=CC=C3S2 |
| InChIKey | WJFKNYWRSNBZNX-UHFFFAOYSA-N |
| InChI | InChI=1S/C12H9NS/c1-3-7-11-9(5-1)13-10-6-2-4-8-12(10)14-11/h1-8,13H |
| PubChem CID | 7108 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29343027 |
| Tariff Code | 2934309090 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
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Hazardous to the Environment
GHS09
Hazard statements
- H302 Harmful if swallowed
- H317 May cause an allergic skin reaction
- H373 May cause damage to organs through prolonged or repeated exposure
- H400 Very toxic to aquatic life
- H410 Very toxic to aquatic life with long lasting effects
Precautionary statements
- P201 Obtain special instructions before use
- P264 Wash thoroughly after handling
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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
- 10H-Phenothiazine
- Contaverm
- Dibenzo-1,4-thiazine
- Dibenzothiazine
- Feeno
- Fenoverm
- Nemazine
- Phenosan
- Phenthiazine
- Thiodiphenylamine
Frequently asked questions
What is phenothiazine commonly used for?
Phenothiazine is primarily used as a precursor in the synthesis of dyes, pharmaceuticals (e.g., antipsychotics), and as an antioxidant in rubber and petroleum products.
What is the chemical formula and molecular weight of phenothiazine?
The chemical formula is **C12H9NS**, and the molecular weight is **199.27 g/mol**.
How should phenothiazine be stored?
Store phenothiazine at **ambient temperature** in a cool, dry place, away from direct sunlight and incompatible substances.
What grades or purity levels of phenothiazine does Molekula supply?
Molekula supplies **technical grade** and **high-purity (98%+)** phenothiazine, depending on application requirements.
Can Molekula supply phenothiazine in bulk quantities?
Yes, Molekula can provide phenothiazine in bulk, with quantities tailored to your specific needs—please contact us for details.
What documentation is provided with a phenothiazine 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.