4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid

C14H18N2O4S

CAS74753-18-7
GHS08 Gefahrensymbol: Gesundheitsgefahr – Gesundheitsgefahr
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

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Identification

CAS Number
74753-18-7
EC Number
277-985-0
UN Number
Index Number
612-081-00-5
PubChem CID
20510156

Physical-chemical properties

Molecular Formula
C14H18N2O4S
Molar Mass
310.37 g/mol
IUPAC Name
4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid

Chemical Identifiers

InChI
InChI=1S/C14H16N2.H2O4S/c1-9-7-11(3-5-13(9)15)12-4-6-14(16)10(2)8-12;1-5(2,3)4/h3-8H,15-16H2,1-2H3;(H2,1,2,3,4)
InChI Key
OXFWUANWIXMLRI-UHFFFAOYSA-N

Overview

4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid (CAS 74753-18-7) is an aromatic diamine sulfate salt with notable industrial applications and significant safety considerations. This chemical compound, designated under EC number 277-985-0, represents a sulfuric acid salt derivative of a substituted biphenyl diamine structure. With a molecular formula of C14H18N2O4S and molecular weight of 310.37 g/mol, this substance belongs to the family of aromatic amines commonly utilized in various industrial synthesis processes. The compound is structurally related to 4-(4-amino-3-methylphenyl)-2-methylaniline, sharing the same organic base but stabilized as a sulfate salt form for improved handling and storage characteristics. Safety classification under the globally harmonized system identifies this material as a Category 1B carcinogen, requiring stringent handling protocols and appropriate personal protective equipment. The substance also exhibits acute toxicity (Category 4) and chronic aquatic toxicity properties, necessitating careful environmental management. The associated GHS pictograms (GHS08, GHS07, GHS09) reflect these health and environmental hazards, with "Danger" as the signal word indicating the severity of potential risks. Primary industrial applications include use as an intermediate in dye manufacturing, particularly in the synthesis of azo dyes and colorants. The compound also serves as a building block in specialty chemical production and polymer additive formulations. Its structural similarity to other aromatic diamines makes it valuable in applications requiring specific reactivity patterns and color development properties. Professional users should implement comprehensive risk management strategies, including appropriate ventilation systems, personal protective equipment, and waste disposal protocols. OYSI maintains technical-grade supplies of this specialty chemical for qualified industrial customers across European markets.

Safety & Classification

Danger
Classification:

Carc. 1B; Acute Tox. 4 *; Aquatic Chronic 2

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H350

May cause cancer.

H302

Harmful if swallowed.

H411

Toxic to aquatic life with long lasting effects.

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

Ingestion

Harmful

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.

Frequently Asked Questions

What is 4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid?

4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid is a chemical compound with CAS number 74753-18-7 and molecular formula C14H18N2O4S. This substance has a molecular weight of 310.37 g/mol and consists of an aromatic diamine structure combined with sulfuric acid. It is classified as a Category 1B carcinogen and presents significant health and environmental hazards, requiring careful handling and specialized safety measures in industrial applications.

What are the physicochemical properties of 4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid?

4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid is a solid compound at room temperature with a molecular weight of 310.37 g/mol. The substance contains aromatic amine groups and sulfuric acid moieties, which typically confer good water solubility due to the acid component. Specific physical properties such as melting point, color, and odor require consultation of the safety data sheet for precise values and detailed characterization.

What is 4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid used for?

4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid is primarily used as an intermediate in chemical synthesis and manufacturing processes. Its aromatic diamine structure makes it valuable for producing dyes, pigments, and polymeric materials. The compound may also serve as a building block for pharmaceutical intermediates or specialty chemicals. Given its carcinogenic classification, its use is restricted to professional industrial applications with appropriate safety controls.

How to handle 4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid safely?

4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid requires strict safety protocols due to its Category 1B carcinogenic classification. Personnel must wear appropriate PPE including chemical-resistant gloves, protective clothing, and respiratory protection. Work should be conducted in well-ventilated areas or under fume extraction systems. Avoid skin contact, inhalation, and ingestion. Regular health monitoring of exposed workers is essential, and only trained professionals should handle this substance.

How to store 4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid correctly?

4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid must be stored in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Use original containers with secure closures and proper labeling. Storage areas should be restricted to authorized personnel only due to the carcinogenic nature. Keep away from oxidizing agents and strong bases. Implement secondary containment measures and ensure compliance with local regulations for carcinogenic substance storage.

What to do in case of contact with 4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid?

Immediate action is required for contact with 4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid. For skin contact, remove contaminated clothing and rinse affected area with plenty of water for at least 15 minutes. In case of eye contact, flush immediately with water and seek medical attention. If inhaled, move to fresh air immediately. For ingestion, do not induce vomiting and seek immediate medical attention. Always consult the safety data sheet for specific first aid measures.

How to dispose of 4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid appropriately?

4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid must be disposed of as hazardous waste through licensed waste management companies. Due to its carcinogenic classification, special handling procedures apply for waste collection, treatment, and disposal. Never dispose of this substance in regular waste streams or sewage systems. Contaminated materials including PPE must also be treated as hazardous waste. Consult local environmental authorities for specific disposal requirements and approved facilities.

How to transport 4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid?

Transportation of 4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid requires compliance with dangerous goods regulations. While specific ADR classification data is not available for this substance, its hazardous nature necessitates proper packaging, labeling, and documentation. Consult the safety data sheet for precise transport classification and requirements. Use approved packaging and ensure drivers have appropriate dangerous goods training. Shipping documents must accurately reflect the hazardous nature of the material.

Is 4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid subject to particular regulations?

4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid is subject to extensive regulatory oversight due to its Category 1B carcinogenic classification. It falls under REACH regulation requiring registration and safety assessments. CLP classification mandates specific labeling with GHS08, GHS07, and GHS09 pictograms. Workplace exposure limits and health surveillance requirements apply. The substance may be subject to authorization procedures or restrictions under various national and EU chemical safety regulations.

Where to buy 4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid in Europe?

4-(4-amino-3-methylphenyl)-2-methylaniline;sulfuric acid is available through OYSI, a specialized European distributor of technical chemicals. As a professional-grade carcinogenic substance, it is only supplied to qualified industrial customers with appropriate safety infrastructure and regulatory compliance. OYSI ensures proper packaging, documentation, and regulatory compliance for European markets. Contact OYSI directly for availability, specifications, and technical support for this specialized chemical compound.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.