Molekula
p-Anisidinium chloride
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
p-Anisidinium chloride is a crystalline organic salt used in organic synthesis and as a reagent in pharmaceutical research. It is a protonated form of p-anisidine, offering enhanced solubility and stability in aqueous and polar solvents. Available in high purity with a molecular weight of 159.61 g/mol, it is stored at ambient temperature. CAS number: 20265-97-8. Signal word: Danger. Molekula supplies p-Anisidinium chloride 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.
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Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Grey blue to Off-white to yellow/ brown powder |
| HNMR | Conforms to structure |
| Identification (IR) | Conforms to Reference |
| Assay (NMR) | ≥ 98% |
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 |
|---|---|
| Melting Point | 236.1 °C |
Source: PubChem CID 2734956 (CAMEO Chemicals)
Identification
| Property | Value |
|---|---|
| SKU | 90001871 |
| CAS Number | 20265-97-8 |
| IUPAC Name | 4-methoxyaniline;hydrochloride |
| EC Number | 243-657-0 |
| Molecular Formula | CH3OC6H4NH2 . HCl |
| Molecular Weight | 159.61 |
| Exact Mass | 159.0451 |
| SMILES | COC1=CC=C(C=C1)N.Cl |
| InChIKey | VQYJLACQFYZHCO-UHFFFAOYSA-N |
| InChI | InChI=1S/C7H9NO.ClH/c1-9-7-4-2-6(8)3-5-7;/h2-5H,8H2,1H3;1H |
| PubChem CID | 2734956 |
| UN Number | UN3077 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 29222981 |
| Tariff Code | 2922290090 |
Safety & GHS
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
Hazard statements
- H302 + H312 + H332 Harmful if swallowed, in contact with skin or if inhaled
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H373 May cause damage to organs through prolonged or repeated exposure
- H400 Very toxic to aquatic life
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- 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
- P302+352 IF ON SKIN: Wash with soap and water
- P308+313 IF exposed or concerned: Get medical advice/attention
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- 4-Anisidine hydrochloride
- 4-Methoxyaniline HCl
- 4-Methoxyaniline hydrochloride
- 4-METHOXYBENZENAMINE HYDROCHLORIDE
- Benzenamine, 4-methoxy-, hydrochloride
- Benzenamine, 4-methoxy-, hydrochloride (1:1)
- p-Anisidine hydrochloride
- p-Anisidine monohydrochloride
- p-Anisidine.HCl
- p-Methoxyaniline hydrochloride
Frequently asked questions
What is p-Anisidinium chloride used for?
It is primarily used as a reagent in organic synthesis, particularly in the preparation of pharmaceutical intermediates and specialty chemicals.
What is the chemical formula and molecular weight of p-Anisidinium chloride?
The formula is CH3OC6H4NH2 · HCl with a molecular weight of 159.61 g/mol.
How should p-Anisidinium chloride be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for p-Anisidinium chloride?
It is supplied with an assay (NMR) of ≥ 98%, with identity confirmed by HNMR and IR; custom purity levels may be requested.
Can Molekula supply p-Anisidinium chloride in bulk?
Yes, Molekula can supply p-Anisidinium chloride in bulk quantities—please contact sales for pricing and availability.
What documentation comes with a purchase of p-Anisidinium chloride?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS); additional documentation can be provided upon request.
Is p-Anisidinium chloride dangerous goods for shipping?
Yes. p-Anisidinium chloride ships as dangerous goods: UN3077, class 9, packing group III.
Ready to order or need a custom pack?
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