2-methylbenzene-1,4-diamine;sulfuric acid

C7H12N2O4S

CAS615-50-9
GHS06 Gefahrensymbol: Giftig – Totenkopf mit Knochen
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

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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 organic sulfate salt compound with aromatic diamine functionality and significant 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 properties of aromatic diamines with the stability provided by sulfate salt formation. The compound belongs to the family of substituted aromatic amines, sharing structural similarities with other industrial intermediates such as N-methylaniline, though with distinctly different reactivity profiles due to its diamine nature and salt form. 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 classification under ADR Class 6.1 as a toxic substance, along with GHS06 and GHS09 pictograms, indicates both human health hazards and aquatic environmental concerns. The "Danger" signal word reflects the serious nature of potential exposure risks, particularly regarding skin contact and environmental release. In industrial applications, this compound typically serves as a chemical intermediate in the synthesis of dyes, pigments, and polymer additives. Its diamine functionality makes it valuable in the production of polyurethane systems and as a curing agent in specialized resin formulations. The sulfate salt form enhances stability and handling characteristics compared to the free base diamine. OYSI maintains technical-grade supplies of 2-methylbenzene-1,4-diamine;sulfuric acid for qualified industrial customers with appropriate handling capabilities.

Safety & Classification

Danger
Classification:

Acute Tox. 4 *; Acute Tox. 4 *; Acute Tox. 3 *; Skin Sens. 1; Aquatic Chronic 2

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H332

Harmful if inhaled.

H312

Harmful in contact with skin.

H301

Toxic if swallowed.

H317

May cause an allergic skin reaction.

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

Inhalation

Harmful

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

Harmful

Measures if substance contacts the skin

First Aid Actions

  • +P302IF ON SKIN:
  • +P352Wash with plenty of water.
  • +P361Take off immediately all contaminated clothing.
  • +P313Get medical advice/attention.

Related hazard statements:

Ingestion

Toxic

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 Number2811
ADR Class6.1
Packing GroupIII
Tunnel CodeE
Proper Shipping Name2-Methyl-1,4-benzendiaminsulfat
Marine PollutantNo

Frequently Asked Questions

What is 2-methylbenzene-1,4-diamine;sulfuric acid?

2-methylbenzene-1,4-diamine;sulfuric acid is an organic chemical compound with CAS number 615-50-9 and molecular formula C7H12N2O4S. This substance is a sulfate salt of a methylated benzene diamine with a molecular weight of 220.25 g/mol. It is classified as hazardous with acute toxicity properties and skin sensitization potential, requiring careful handling in industrial applications.

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 with molecular formula C7H12N2O4S and molecular weight 220.25 g/mol. As a sulfate salt, it typically exhibits good water solubility due to the ionic nature of the sulfuric acid component. The compound contains aromatic amine functionalities combined with the acidic sulfate moiety, influencing its chemical reactivity and stability properties.

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 chemical synthesis and manufacturing processes. The aromatic diamine structure makes it valuable for producing dyes, pigments, and polymer precursors. It serves as a building block in the synthesis of various organic compounds where methylated benzene diamine functionality is required, particularly in specialty chemical applications.

How to handle 2-methylbenzene-1,4-diamine;sulfuric acid safely?

2-methylbenzene-1,4-diamine;sulfuric acid requires careful handling due to its acute toxicity and skin sensitization properties. Operators must wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Work should be conducted in well-ventilated areas or under fume extraction. Avoid skin contact, inhalation, and ingestion. The GHS06 pictogram indicates significant health hazards requiring strict safety protocols.

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 incompatible materials. Keep containers tightly sealed and protected from moisture and heat sources. Storage areas should be equipped with appropriate spill containment measures. Due to its toxicity classification, access should be restricted to authorized personnel only, and storage locations must comply with local chemical storage regulations.

What to do in case of contact with 2-methylbenzene-1,4-diamine;sulfuric acid?

Immediate action is required upon contact with 2-methylbenzene-1,4-diamine;sulfuric acid due to its toxicity and sensitization potential. For skin contact, remove contaminated clothing and wash affected area thoroughly with soap and water. In case of eye contact, rinse immediately with plenty of water for at least 15 minutes. If inhaled, move to fresh air. Seek medical attention promptly for all exposure routes.

How to dispose of 2-methylbenzene-1,4-diamine;sulfuric acid appropriately?

2-methylbenzene-1,4-diamine;sulfuric acid must be disposed of as hazardous waste according to local and European regulations. Due to its acute toxicity classification, it cannot be disposed of through normal waste streams. Contact licensed hazardous waste disposal companies for proper treatment. All disposal activities must comply with ADR transport regulations for toxic substances (Class 6.1) and environmental protection requirements.

How to transport 2-methylbenzene-1,4-diamine;sulfuric acid?

2-methylbenzene-1,4-diamine;sulfuric acid is classified under ADR as Class 6.1 (toxic substances), Packing Group III. Transportation requires appropriate hazardous goods packaging, labeling with GHS06 pictogram, and proper documentation. Vehicles must comply with ADR regulations for toxic materials transport. Only certified dangerous goods transporters should handle shipments, ensuring proper emergency response procedures and route planning according to European transport regulations.

Is 2-methylbenzene-1,4-diamine;sulfuric acid subject to specific regulations?

2-methylbenzene-1,4-diamine;sulfuric acid is regulated under European CLP regulation due to its hazard classification including acute toxicity and skin sensitization. It requires proper labeling with danger signal word and GHS pictograms. While not currently listed as SVHC under REACH, users must comply with standard registration and safety data sheet requirements. Environmental regulations apply due to its aquatic chronic toxicity classification.

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 technical chemicals. As an established supplier, OYSI provides this hazardous substance with proper documentation, safety data sheets, and regulatory compliance support. Professional buyers can contact OYSI for availability, specifications, and delivery options across European markets, ensuring proper handling of this Class 6.1 toxic material.

Data Sources

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