Maintenance Notice (4:00 AM November 1 - 9:30 AM November 1, 2025): This website is scheduled to be unavailable due to maintenance. We appreciate your patience and understanding.
Published TCIMAIL newest issue No.199
Maximum quantity allowed is 999
Please select the quantity
CAS RN: 88-44-8 | Product Number: A0328
p-Toluidine-2-sulfonic Acid
×
![]()
×
Purity: >98.0%(T)(HPLC)
Synonyms:
- 4-Aminotoluene-3-sulfonic Acid
- 4-Methylaniline-2-sulfonic Acid
- 2-Amino-5-methylbenzenesulfonic Acid
Product Documents:
| Size | Unit Price | Belgium | Japan* | Quantity |
|---|---|---|---|---|
| 25G |
€16.00
|
1 | 13 |
|
| 500G |
€71.00
|
2 | 3 |
|
*Stock available in Belgium will be delivered in 1 to 3 days
*Stock available in Japan will be delivered in 1 to 2 weeks (excludes regulated items and dry ice shipments).
| Product Number | A0328 |
Purity / Analysis Method 
|
>98.0%(T)(HPLC) |
| Molecular Formula / Molecular Weight | C__7H__9NO__3S = 187.21 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature
|
Room Temperature (Recommended in a cool and dark place, <15°C) |
| CAS RN | 88-44-8 |
| Reaxys Registry Number | 2211509 |
| PubChem Substance ID | 87561979 |
| SDBS (AIST Spectral DB) | 1664 |
| MDL Number | MFCD00007908 |
Specifications
| Appearance | White to Light yellow to Light orange powder to crystal |
| Purity(HPLC) | min. 98.0 area% |
| Purity(Neutralization titration) | min. 98.0 % |
| NMR | confirm to structure |
Properties (reference)
| Solubility in water | Slightly soluble |
GHS
| Pictogram |
|
| Signal Word | Warning |
| Hazard Statements | H319 : Causes serious eye irritation. |
| Precautionary Statements | P264 : Wash skin thoroughly after handling. P280 : Wear eye protection/ face protection. P337 + P313 : If eye irritation persists: Get medical advice/ attention. P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
Related Laws:
| EC Number | 201-831-3 |
| RTECS# | XT6320000 |
Transport Information:
| HS Number | 2921430090 |
PubMed Literature
Product Documents (Note: Some products will not have analytical charts available.)
Safety Data Sheet (SDS)
Please select Language.
The requested SDS is not available.
Please Contact Us for more information.
Specifications
C of A & Other Certificates
Please enter Lot Number
Incorrect Lot Number. Please input only the 4-5 alphanumeric characters before the hyphen.
Sample C of A
This is a sample C of A and may not represent a recently manufactured lot of the product.
A sample C of A for this product is not available at this time.
Analytical Charts
Please enter Lot Number
Incorrect Lot Number. Please input only the 4-5 alphanumeric characters before the hyphen.
The requested analytical chart is not available. Sorry for the inconvenience.