N-Phenylthiourea
- CAS Number
- 103-85-5
- HSN Code
- 29420090
- Molecular Formula
- C7H8N2S
- Catalogue Number
- AL3523
- Purity
- ≥ 97%
- Molecular Weight
- 152.22 g/mol
Complies with : IP | BP | USP | EP | ACS
ISO 9001
ISO 14001
GMP
COA with every batch
Key Properties
N-phenylthiourea is a member of the class of thioureas that is thiourea in which one of the hydrogens is replaced by a phenyl group. Depending on their genetic makeup, humans find it either very bitter-tasting or tasteless.
Also known as Phenylthiourea, Thiourea, N-phenyl-.
- Catalogue No.
- AL3523
- CAS Number
- 103-85-5
- Molecular Formula
- C7H8N2S
- Molecular Weight
- 152.22 g/mol
- HSN Code
- 29420090
- Grade
- 97%
- Product Form
- Substance
Melting point: 154 °C; Density: 1.3; Solubility: In water, 2.47X10+3 mg/L at 25 °C.
- Appearance
- Needles from water; prisms from alcohol
- Shelf Life
- 2 years
- Packaging
- Available in: 100 gm plastic bottle, 250 gm plastic bottle
- Storage
- Rooms used only for storage should be soundly constructed and fitted with secure locks. Floors should be kept clear and the pesticides clearly identified.
1.1 — Product identifier
- Chemical Name
- N-Phenylthiourea
- Catalogue No.
- AL3523
- Product form
- Substance
- CAS Number
- 103-85-5
- EC Number
- 203-151-2
- Grade
- 97%
- EC Index Number
- 612-051-00-5
- Chemical Formula
- C7H8N2S
- HSN Code
- 29420090
- Synonyms
- Phenylthiourea, Thiourea, N-phenyl-
1.2 — Relevant identified uses of the substance or mixture and uses advised against
- Use of the substance/mixture
- Synthetic intermediate, genetic taste-perception test compound.
- Uses advised against
- Not specified
1.3 — Details of the supplier of the safety data sheet
- Company identification
- Address:- 102, B wing, Savgan Heights, RTO Lane,Andheri (W), Mumbai-400 053Maharashtra, India.
1.4 — Emergency Contact Details
- Phone / e-Mail
- Phone : +91 22 26317055 Mobile : +91 9820385757 e-mail : info@alphachemika.co.in
2.1 — Classification of the substance or mixture
- Classification according to Regulation (EC) No 1272/2008
- Acute Tox. 2; Skin Sens. 1
- Classification source
- ECHA C&L Inventory via PubChem CID 676454 - hazard classes notified by at least 50% of companies; pictograms and signal word derived from those statements
2.2 — Label elements
- Hazard pictograms
- Acute Toxic
- Signal word
- Danger
- Hazard statements
- H300: Fatal if swallowed; H317: May cause an allergic skin reaction
- Precautionary statements
- P261, P264, P270, P272, P280, P301+P316, P302+P352, P321, P330, P333+P317, P362+P364, P405, P501
2.3 — Other hazards
- Other hazards
- May cause harm to the unborn child.
3.1 — Substance
- Name
- N-Phenylthiourea
- CAS No.
- 103-85-5
4.1 — Description of first aid measures
- First-aid measures after inhalation
- Move to fresh air. If symptoms persist, seek medical attention.
- First-aid measures after skin contact
- Wash with soap and water. Seek medical attention if irritation develops.
- First-aid measures after eye contact
- Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing. Seek medical attention.
- First-aid measures after ingestion
- Do not induce vomiting. Rinse mouth and seek medical attention immediately.
4.2 — Most important symptoms and effects, both acute and delayed
- Symptoms relating to use
- Toxic effects may include headache, dizziness, nausea, and respiratory distress.
4.3 — Indication of any immediate medical attention and special treatment needed
- General information
- Treat symptomatically. Show this safety data sheet to the treating physician.
5.1 — Extinguishing media
- Suitable extinguishing media
- Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
- Unsuitable extinguishing media
- Not specified
5.2 — Special hazards arising from the substance or mixture
- Special procedures
- Special hazards arising from the substance or mixture: Carbon oxides, nitrogen oxides (NOx), sulphur oxides.
5.3 — Advice for firefighters
- Protection during firefighting
- Do not enter fire area without proper protective equipment, including respiratory protection.
6.1.1 — For non-emergency personnel
- Emergency procedures
- Evacuate area and ventilate. Wear appropriate protective equipment.
6.3 — Methods and material for containment and cleaning up
- Methods for cleaning up
- Collect spillage and dispose of in accordance with local regulations.
6.4 — Reference to other sections
- Reference
- Not specified
7.1 — Precautions for safe handling
- Precautions for safe handling
- Avoid contact with skin and eyes. Use appropriate personal protective equipment (PPE).
- Hygiene measures
- Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work.
7.2 — Conditions for safe storage, including any incompatibilities
- Storage conditions
- Rooms used only for storage should be soundly constructed and fitted with secure locks. Floors should be kept clear and the pesticides clearly identified.
8.2 — Exposure controls
- Hand protection
- Handle with gloves.
- Eye protection
- Face shield and safety glasses Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
- Skin and body protection
- Wear suitable protective clothing
- Respiratory protection
- Use appropriate respiratory protection if ventilation is inadequate.
9.1 — Information on basic physical and chemical properties
- Physical state
- Solid
- Colour
- White to off-white
- Odour
- Slightly aromatic
- Odour threshold
- No data available
- pH value
- No data available
- Relative evaporation rate (butylacetate=1)
- No data available
- Melting point
- 154 °C
- Freezing point
- No data available
- Boiling point
- No data available
- Flash point
- No data available
- Auto-ignition temperature
- No data available
- Decomposition temperature
- No data available
- Flammability (solid, gas)
- Not flammable
- Vapour pressure
- No data available
- Relative vapour density at 20°C
- No data available
- Density
- 1.3
- Solubility
- In water, 2.47X10+3 mg/L at 25 °C
- Log Pow
- 0.71
- Viscosity, kinematic
- No data available
- Viscosity, dynamic
- No data available
- Explosive properties
- Not explosive
- Oxidising properties
- Not oxidising
- Explosive limits
- No data available
10.1 — Reactivity
- Reactivity
- Stable under normal conditions.
10.2 — Chemical stability
- Chemical stability
- Stable under recommended storage conditions.
10.3 — Possibility of hazardous reactions
- Possibility of hazardous reactions
- No dangerous reactions known under normal conditions of use.
10.4 — Conditions to avoid
- Conditions to avoid
- Avoid contact with incompatible materials and excessive heat.
10.5 — Incompatible materials
- Incompatible materials
- Strong oxidizing agents.
10.6 — Hazardous decomposition products
- Hazardous decomposition products
- When heated to decomposition it emits highly toxic fumes of sulfoxides and nitroxides.
11.1 — Information on toxicological effects
- Acute toxicity
- LD50 Rat oral 3 mg/kg; LD50 Rabbit oral 40 mg/kg; LD50 Rat ip 5 mg/kg
- Skin corrosion/irritation
- Not classified (based on available data)
- Serious eye damage/irritation
- Not classified (based on available data)
- Respiratory or skin sensitisation
- H317: May cause an allergic skin reaction
- Germ cell mutagenicity
- Not classified (based on available data)
- Carcinogenicity
- Not classified (based on available data)
- Specific target organ toxicity (single exposure)
- Not classified (based on available data)
- Specific target organ toxicity (repeated exposure)
- Not classified (based on available data)
12.1 — Toxicity
- Toxicity information
- Not specified
12.2 — Persistence - degradability
- Persistence - degradability
- Not specified
12.3 — Bioaccumulative potential
- Bioaccumulative potential
- Not specified
12.4 — Mobility in soil
- Mobility in soil
- Not specified
12.6 — Other adverse effects
- Environmental precautions
- Not specified
13.1 — Waste treatment methods
- Additional Info
- Dispose of contents/container in accordance with local, regional, national and international regulations.
14.1 — UN number
- UN-No. (ADR)
- UN 2811
- UN-No. (IMDG)
- UN 2811
- UN-No. (IATA)
- UN 2811
- UN-No. (ADN)
- UN 2811
- UN-No. (RID)
- UN 2811
14.2 — UN proper shipping name
- Proper Shipping Name (ADR)
- Toxic solid, organic, n.o.s.
- Proper Shipping Name (IMDG)
- Toxic solid, organic, n.o.s.
- Proper Shipping Name (IATA)
- Toxic solid, organic, n.o.s.
- Proper Shipping Name (ADN)
- Toxic solid, organic, n.o.s.
- Proper Shipping Name (RID)
- Toxic solid, organic, n.o.s.
14.3 — Transport hazard class(es)
- Transport hazard class(es)
- 6.1
14.4 — Packing group
- Packing group (ADR)
- I
- Packing group (IMDG)
- I
- Packing group (IATA)
- I
- Packing group (ADN)
- I
- Packing group (RID)
- I
14.5 — Environmental hazards
- Dangerous for the environment
- Not specified
- Marine pollutant
- Not specified
- Other information
- No supplementary information available
15.1 — Safety, health and environmental regulations/legislation specific for the substance or mixture
- 15.1.1 EU-Regulations
- Not specified
Used as a building block in heterocyclic chemistry and as a genetic bitter-taste-perception reference compound in physiology research.
ISO 9001
ISO 14001
GMP
COA with every batch
- Batch Number
- AL-2026-AL1177C
- Manufacturing Date
- September-2026
- Expiry Date
- September-2031
- Molecular Weight
- 152.22 g/mol
| Test | Standard | Observed |
|---|---|---|
| Description | White to almost white powder. | Almost white powder. |
| Assay | 97 % min | 98 .2% |
| Melting point | 145 – 151 0C | 150.5 0C |
The above product complies with LR grade
Technical Data Sheet
| Grade | Assay/Purity | Melting/Boiling Point | Moisture/LOD | Residue on Ignition | Related Substances | Solubility |
|---|---|---|---|---|---|---|
| 97% | ≥ 97% | m.p. 154 °C | ≤ 0.5% | ≤ 0.1% | None detected | In water, 2.47X10+3 mg/L at 25 °C |
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