Bis(4-(methylamino)phenol);sulfuric acid

C14H20N2O6S

bis(4-(methylamino)phenol);sulfuric acid

CAS55-55-0
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
GHS08 Gefahrensymbol: Gesundheitsgefahr – Gesundheitsgefahr
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
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Identification

CAS Number
55-55-0
EC Number
200-237-1
UN Number
3077
Index Number
650-031-00-4
PubChem CID
5930

Physical-chemical properties

Molecular Formula
C14H20N2O6S
Molar Mass
344.39 g/mol
IUPAC Name
bis(4-(methylamino)phenol);sulfuric acid

Chemical Identifiers

InChI
InChI=1S/2C7H9NO.H2O4S/c2*1-8-6-2-4-7(9)5-3-6;1-5(2,3)4/h2*2-5,8-9H,1H3;(H2,1,2,3,4)
InChI Key
ZVNPWFOVUDMGRP-UHFFFAOYSA-N

Overview

Bis(4-(methylamino)phenol);sulfuric acid (CAS 55-55-0) is an organic sulfate compound with pronounced dyeing properties and moderate toxicity profile. This chemical substance, also known by its European Community number 200-237-1, represents a sulfuric acid salt of methylated aminophenol derivatives with a molecular formula of C14H20N2O6S and molecular weight of 344.39 g/mol. The compound exhibits significant industrial relevance due to its dual aromatic amine structure combined with sulfuric acid stabilization, making it particularly valuable in specialized chemical processes requiring controlled reactivity and enhanced solubility characteristics. From a safety perspective, bis(4-(methylamino)phenol);sulfuric acid carries a Warning signal word under the GHS classification system, displaying pictograms GHS07, GHS08, and GHS09. The substance presents moderate acute toxicity (Acute Tox. 4), potential for specific target organ toxicity following repeated exposure (STOT RE 2), skin sensitization properties (Skin Sens. 1), and notable environmental concerns with both acute and chronic aquatic toxicity classifications. Transportation regulations classify it under ADR Class 9, indicating miscellaneous dangerous goods requiring appropriate handling protocols. Primary industrial applications include specialized dye intermediate synthesis, pharmaceutical precursor manufacturing, and analytical chemistry reagent preparation. The compound's structural similarity to other industrial chemicals such as prop-2-ynyl (2R)-2-[4-[(5-chloro-3-fluoro-2-pyridinyl)oxy]phenoxy]propanoate demonstrates its position within the broader category of functionalized aromatic compounds used in advanced chemical synthesis. OYSI maintains reliable supply chains for this technical-grade chemical substance, ensuring consistent availability for European industrial customers requiring high-quality specialty chemicals.

Safety & Classification

Warning
Classification:

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

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H302

Harmful if swallowed.

H373

May cause damage to organs through prolonged or repeated exposure.

H317

May cause an allergic skin reaction.

H400

Very toxic to aquatic life.

H410

Very 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

Skin Contact

Irritant

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

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.

Transport (ADR)

UN Number3077
ADR Class9
Packing GroupIII
Tunnel Code-
Proper Shipping NameBis(4-hydroxy-N-methylanilinium)sulfat
Marine PollutantNo

Frequently Asked Questions

What is bis(4-(methylamino)phenol);sulfuric acid?

Bis(4-(methylamino)phenol);sulfuric acid is a chemical compound with CAS number 55-55-0 and molecular formula C14H20N2O6S. This substance has a molecular weight of 344.39 g/mol and consists of two methylamino phenol units combined with sulfuric acid. It is classified as a hazardous chemical with multiple health and environmental risks, requiring careful handling and appropriate safety measures during use and storage.

What are the physicochemical properties of bis(4-(methylamino)phenol);sulfuric acid?

Bis(4-(methylamino)phenol);sulfuric acid has a molecular formula of C14H20N2O6S with a molar mass of 344.39 g/mol. The compound contains both organic phenolic groups and inorganic sulfuric acid components, which influences its chemical behavior. Its specific physical properties such as melting point, boiling point, and solubility characteristics depend on the molecular structure combining methylamino phenol units with sulfuric acid moieties.

What is bis(4-(methylamino)phenol);sulfuric acid used for?

Bis(4-(methylamino)phenol);sulfuric acid is primarily used in industrial chemical processes and manufacturing applications. Its specific applications depend on its chemical structure containing methylamino phenol groups, which may be utilized in synthetic chemistry, pharmaceutical intermediates, or specialty chemical production. The compound's unique molecular composition makes it suitable for specific technical applications requiring its particular chemical properties and reactivity profile.

How to handle bis(4-(methylamino)phenol);sulfuric acid safely?

Bis(4-(methylamino)phenol);sulfuric acid requires careful handling due to its classification as Acute Tox. 4, STOT RE 2, and Skin Sens. 1. Personal protective equipment including gloves, safety goggles, and appropriate clothing must be worn. Work in well-ventilated areas to minimize inhalation exposure. Avoid direct skin contact and implement proper hygiene measures. Follow workplace safety protocols and ensure adequate ventilation systems are in place during handling operations.

How to store bis(4-(methylamino)phenol);sulfuric acid correctly?

Bis(4-(methylamino)phenol);sulfuric acid should be stored in a cool, dry, well-ventilated area away from incompatible materials. Keep containers tightly closed and properly labeled according to GHS requirements with pictograms GHS07, GHS08, and GHS09. Store away from heat sources, direct sunlight, and moisture. Implement appropriate containment measures to prevent environmental release and ensure storage areas comply with local chemical storage regulations and safety standards.

What to do in case of contact with bis(4-(methylamino)phenol);sulfuric acid?

Immediate action is required in case of contact with bis(4-(methylamino)phenol);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 bis(4-(methylamino)phenol);sulfuric acid appropriately?

Bis(4-(methylamino)phenol);sulfuric acid must be disposed of as hazardous waste according to local and European waste regulations. The substance is classified as environmentally hazardous (Aquatic Acute 1, Aquatic Chronic 1), requiring specialized disposal methods. Contact licensed waste disposal companies for proper treatment and disposal. Never discharge into sewers, waterways, or soil. Follow all applicable waste codes and documentation requirements for hazardous chemical waste disposal.

How to transport bis(4-(methylamino)phenol);sulfuric acid?

Bis(4-(methylamino)phenol);sulfuric acid is classified under ADR Class 9, Packing Group III for transportation. This classification indicates it is a miscellaneous dangerous substance with relatively lower risk during transport. Proper packaging, labeling, and documentation according to ADR regulations are required. Use approved containers and ensure proper vehicle placarding. Transport personnel must be trained in dangerous goods handling and emergency procedures for Class 9 substances.

Is bis(4-(methylamino)phenol);sulfuric acid subject to specific regulations?

Bis(4-(methylamino)phenol);sulfuric acid is subject to European chemical regulations including REACH and CLP classification. The substance is not currently listed as a SVHC (Substance of Very High Concern). It must be classified and labeled according to CLP regulation with Warning signal word and appropriate GHS pictograms. Suppliers must provide safety data sheets and comply with registration requirements. Users must follow occupational exposure limits and risk management measures.

Where to buy bis(4-(methylamino)phenol);sulfuric acid in Europe?

Bis(4-(methylamino)phenol);sulfuric acid is available through OYSI, a trusted European distributor of technical chemicals. OYSI provides reliable supply chains across Europe with proper documentation, safety data sheets, and regulatory compliance support. As a specialized chemical distributor, OYSI ensures quality products meeting European standards and regulations. Contact OYSI directly for availability, technical specifications, and delivery options to your specific European location.

Data Sources

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