2-methylbenzene-1,4-diamine;sulfuric acid
C7H12N2O4S
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Identification
- CAS Number
- 615-50-9
- EC Number
- 210-431-8
- UN Number
- 2811
- Index Number
- 612-030-00-7
- PubChem CID
- 22856
Physical-chemical properties
- Molecular Formula
- C7H12N2O4S
- Molar Mass
- 220.25 g/mol
- IUPAC Name
- 2-methylbenzene-1,4-diamine;sulfuric acid
Chemical Identifiers
- InChI
- InChI=1S/C7H10N2.H2O4S/c1-5-4-6(8)2-3-7(5)9;1-5(2,3)4/h2-4H,8-9H2,1H3;(H2,1,2,3,4)
- InChI Key
- KZTWOUOZKZQDMN-UHFFFAOYSA-N
Overview
2-methylbenzene-1,4-diamine;sulfuric acid (CAS 615-50-9) is an aromatic diamine sulfate salt with significant industrial applications and notable toxicological properties. This chemical compound represents the sulfuric acid salt form of 2-methylbenzene-1,4-diamine, also known as toluene-2,4-diamine. With a molecular formula of C7H12N2O4S and molecular weight of 220.25 g/mol, this substance combines the reactive diamine functionality with enhanced stability and handling characteristics provided by salt formation. The compound belongs to the family of aromatic diamines, sharing structural similarities with other industrially important chemicals such as phenylhydrazine, though with distinct reactivity patterns due to its methyl substitution and diamine configuration. The substance presents significant safety considerations, classified under multiple acute toxicity categories (Acute Tox. 3 and 4) and as a skin sensitizer (Skin Sens. 1), requiring careful handling protocols. Its GHS06 and GHS09 pictogrammes indicate both acute toxicity and environmental hazard potential, while its ADR Class 6.1 classification designates it as a toxic substance for transportation purposes. The "Danger" signal word reflects the serious nature of potential health effects, particularly regarding dermal contact and sensitization risks. Additionally, its Aquatic Chronic 2 classification indicates potential long-term environmental impacts in aquatic systems. Primary industrial applications include its use as an intermediate in dye manufacturing, particularly for producing various colorants and pigments. The compound also serves as a chemical building block in pharmaceutical synthesis and specialty chemical production, where its diamine functionality provides valuable reactivity for complex molecular construction. OYSI provides reliable access to 2-methylbenzene-1,4-diamine;sulfuric acid for qualified industrial customers across Europe, ensuring proper handling documentation and regulatory compliance support.
Safety & Classification
Acute Tox. 4 *; Acute Tox. 4 *; Acute Tox. 3 *; Skin Sens. 1; Aquatic Chronic 2
GHS Pictograms
HHazard Statements (H-Statements)
Describe the nature and severity of the hazard
Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).
First Aid Measures
Inhalation
Measures if vapours or dust are inhaled
First Aid Actions
- +P304IF INHALED:
- +P340Remove person to fresh air and keep comfortable for breathing.
- +P311Call a POISON CENTER/doctor.
Related hazard statements:
Skin Contact
Measures if substance contacts the skin
Ingestion
Measures if substance is accidentally swallowed
First Aid Actions
- +P301IF SWALLOWED:
- +P330Rinse mouth.
- +P331Do NOT induce vomiting.
- +P310Immediately call a POISON CENTER/doctor.
Related hazard statements:
General Measures
Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)
First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.
Transport (ADR)
| UN Number | 2811 |
| ADR Class | 6.1 |
| Packing Group | III |
| Tunnel Code | E |
| Proper Shipping Name | 2-Methyl-1,4-benzendiaminsulfat |
| Marine Pollutant | No |
Frequently Asked Questions
What is 2-methylbenzene-1,4-diamine;sulfuric acid?
2-methylbenzene-1,4-diamine;sulfuric acid is a chemical compound with CAS number 615-50-9 and molecular formula C7H12N2O4S. This substance is the sulfuric acid salt of 2-methylbenzene-1,4-diamine (also known as toluene-2,5-diamine), with a molecular weight of 220.25 g/mol. It is classified as a hazardous chemical with multiple toxicity classifications and environmental concerns, requiring careful handling and storage procedures.
What are the physicochemical properties of 2-methylbenzene-1,4-diamine;sulfuric acid?
2-methylbenzene-1,4-diamine;sulfuric acid is a crystalline solid compound that typically appears as a white to off-white powder or crystals. As a sulfuric acid salt, it demonstrates good water solubility due to its ionic nature. The compound has a molecular weight of 220.25 g/mol and contains both aromatic amine groups and sulfate functionality, making it polar and hygroscopic under normal atmospheric conditions.
What is 2-methylbenzene-1,4-diamine;sulfuric acid used for?
2-methylbenzene-1,4-diamine;sulfuric acid is primarily used as an intermediate in the production of dyes and pigments, particularly in the synthesis of azo dyes and hair colorants. The compound serves as a building block in pharmaceutical manufacturing and chemical synthesis processes. Its diamine structure makes it valuable for polymer chemistry applications and as a curing agent in certain resin formulations.
How to handle 2-methylbenzene-1,4-diamine;sulfuric acid safely?
2-methylbenzene-1,4-diamine;sulfuric acid requires strict safety protocols due to its Acute Toxicity 3-4 classifications and skin sensitization properties. Essential PPE includes nitrile gloves, safety goggles, and respiratory protection. Work in well-ventilated areas or under fume extraction systems. Avoid skin contact and inhalation. The compound carries the 'Danger' signal word and GHS06/GHS09 pictograms, indicating both toxicity and environmental hazards requiring careful handling procedures.
How to store 2-methylbenzene-1,4-diamine;sulfuric acid correctly?
2-methylbenzene-1,4-diamine;sulfuric acid should be stored in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Keep containers tightly sealed to prevent moisture absorption and contamination. Store separately from strong oxidizers, alkalis, and reducing agents. The storage area should be equipped with appropriate spill containment measures and restricted access due to the compound's toxicity classification and environmental hazard properties.
What to do in case of contact with 2-methylbenzene-1,4-diamine;sulfuric acid?
Skin contact with 2-methylbenzene-1,4-diamine;sulfuric acid requires immediate removal of contaminated clothing and thorough washing with soap and water for at least 15 minutes. For eye contact, flush immediately with clean water for 15 minutes and seek medical attention. If inhaled, move to fresh air immediately. Due to its acute toxicity and sensitization properties, seek medical attention promptly for any significant exposure and provide safety data sheet to medical personnel.
How to dispose of 2-methylbenzene-1,4-diamine;sulfuric acid properly?
2-methylbenzene-1,4-diamine;sulfuric acid must be disposed of as hazardous waste through licensed waste management companies in accordance with local and EU regulations. The compound cannot be disposed of in regular waste streams due to its toxicity classification and environmental hazard properties (Aquatic Chronic 2). Collect waste in appropriate containers, label clearly, and maintain waste documentation. Consult local authorities for specific disposal requirements and approved treatment facilities.
How to transport 2-methylbenzene-1,4-diamine;sulfuric acid?
2-methylbenzene-1,4-diamine;sulfuric acid is classified under ADR Class 6.1 (Toxic substances), Packing Group III for transportation. This classification requires specific packaging, labeling, and documentation according to dangerous goods regulations. Packages must display appropriate hazard labels and proper shipping names. Drivers require ADR training for toxic substance transport, and vehicles must carry appropriate emergency equipment and documentation for Class 6.1 materials.
Is 2-methylbenzene-1,4-diamine;sulfuric acid subject to specific regulations?
2-methylbenzene-1,4-diamine;sulfuric acid is subject to EU REACH and CLP regulations due to its hazardous properties. While not currently listed as an SVHC (Substance of Very High Concern), it requires safety data sheets and hazard classification under CLP. The compound's acute toxicity and skin sensitization properties may subject it to workplace exposure limits and specific handling requirements under occupational health regulations in various EU member states.
Where to buy 2-methylbenzene-1,4-diamine;sulfuric acid in Europe?
2-methylbenzene-1,4-diamine;sulfuric acid is available through OYSI, a specialized European distributor of chemical products. OYSI provides this compound to industrial and professional users across Europe with appropriate documentation, safety data sheets, and regulatory compliance support. As a hazardous chemical requiring specialized handling and transport, it's essential to work with experienced chemical distributors who understand the regulatory requirements and safety protocols for this substance.
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Data Sources
Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.