Chemical Product Identification & Regulatory Data
Official chemical identifiers, CAS numbers, and regulatory compliance information
Basic Product Information
Regulatory Identifiers
Chemical Abstracts Service registry number - unique identifier for chemical substances
Uses Information
Overview
ORTHO-TDA is a liquid, hot melt substance commonly used intermediate for the production of polyurethane raw materials.
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GHS Hazard Classification & Safety Warnings
Globally Harmonized System (GHS) hazard pictograms, signal words, and safety classifications
Classification Status
Signal Word
Hazard Classifications
GHS Hazard Pictograms & Safety Symbols
GHS07
GHS08
GHS09
GHS (Globally Harmonized System) pictograms indicate specific chemical hazard categories and safety precautions
Hazard Statements
- H302: Harmful if swallowed or in contact with skin
- H312: Harmful if swallowed or in contact with skin
- H317: May cause an allergic skin reaction.
- H341: Suspected of causing genetic defects.
- H350: May cause cancer.
- H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statements
- P201: Obtain special instructions before use.
- P261: Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
- P273: Avoid release to the environment.
- P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
- P308+P313: IF exposed or concerned: Get medical advice/ attention.
- P391: Collect spillage.
Chemical Manufacturers & Supply Chain
Authorized suppliers, manufacturers, and distribution network information
Covestro Deutschland AG
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COV-CTO-HSEQ-PSRA-PSI 51365 Leverkusen
DE
+49 214 6009 4068
24/7 Emergency Response & Poison Control
Critical emergency contact numbers for chemical spills, exposure incidents, and medical emergencies
Chemtrec
+1-703-527-3887
US
Chemical Composition & Hazardous Ingredients
Detailed component analysis, concentration ranges, and hazardous substance identification
Product Type
SubstanceGeneral Composition
aromatic diamin, mixture of isomers
Chemical Components & Hazardous Substances
| Chemical Name | CAS Number | Concentration | Hazardous |
|---|---|---|---|
| methyl-phenylene diamine; diaminotoluene; [technical product reaction mass of 4-methyl-m-phenylene diamine (EC No 202-453-1) and 2 -methyl-m-phenylene diamine (EC No 212-513-9)] EC: 248-145-0 | 26966-75-6 | 100% | ⚠️ Hazardous |
Composition Notes
This product contains no substances of very high concern in concentrations where an information obligation applies (REACH Regulation (EC) No. 1907/2006, Article 59).
Emergency First Aid Measures
Critical first aid procedures for chemical exposure incidents and medical emergencies
🫁 Inhalation Exposure
Take the person into the fresh air and keep him warm, let him rest; if there is difficulty in breathing, medical advice is required.
Symptoms:
difficulty in breathing
🖐️ Skin Contact
IN THE CASE OF CONTACT WITH THE HOT PRODUCT: Do not remove product crusts which may have formed neither forcibly nor by applying any solvents to the skin involved. To obtain treatment for possible burns, and appropriate skin care, seek medical advice immediately. In case of skin contact wash affected areas thoroughly with soap and plenty of water. Consult a doctor in the event of a skin reaction.
Symptoms:
possible burns, skin reaction
👁️ Eye Contact
Hold the eyes open and rinse with preferably lukewarm water for a sufficiently long period of time (at least 10 minutes). Contact an ophthalmologist.
🍽️ Ingestion/Swallowing
DO NOT induce the patient to vomit, medical advice is required.
🚨 Immediate Medical Attention Required
Medical advice is required for difficulty in breathing, hot product skin contact, ingestion, eye contact, or skin reaction. Notes to physician: Basic first aid, decontamination, symptomatic treatment.
Medical Treatment
No information available.
Related Chemical Substances & Alternative Products
Similar chemicals with comparable safety profiles and industrial applications
Technical Specifications & Material Properties
Physical state, chemical properties, melting point, boiling point, and material characteristics
Exposure Controls & Personal Protective Equipment (PPE)
Occupational exposure limits, engineering controls, and required safety equipment
🧤 Hand Protection
Suitable materials for safety gloves; EN 374: Heat-resistant Kevlar/cotton gloves, resistant to 100 C. Hand protection when handling the product at room temperature: Nitrile rubber - NBR (>= 0.35 mm) Breakthrough time not tested; dispose of immediately after contamination.
👁️ Eye Protection
Wear eye/face protection.
😷 Respiratory Protection
Unless the product is entirely enclosed, do not handle it until you have studied the respiratory precautions issued by the appropriate authority or accident prevention association. If vapors form, respirators must be used. Put on full-mask respirator with filter type ABEK.
🦺 Skin/Body Protection
Wear suitable protective clothing.
Transportation & Shipping Information
UN numbers, shipping names, transport classes, and regulatory transport requirements
🏷️ UN Number
UN 3257
📦 Proper Shipping Name
ELEVATED TEMPERATURE LIQUID, N.O.S.
⚠️ Transport Hazard Class
9
📋 Packing Group
III
Chemical Safety FAQ & Common Questions
Most frequently asked questions about safety, handling, storage, and regulatory compliance
What is the hazard signal word for ORTHO-TDA?
The signal word for this substance is "danger".
What is the physical form of ORTHO-TDA?
ORTHO-TDA is a solid at 20 c at 1.013 hpa appearing as liquid, hot melt with colourless to pink color. It has characteristic odor.
What is ORTHO-TDA used for?
Intermediate for the production of polyurethane raw materials
What are the hazard statements for ORTHO-TDA?
This substance has 6 hazard statements: H302: Harmful if swallowed or in contact with skin H312: Harmful if swallowed or in contact with skin H317: May cause an allergic skin reaction. H341: Suspected of causing genetic defects. H350: May cause cancer. H410: Very toxic to aquatic life with long lasting effects.
What is the melting point of ORTHO-TDA?
The melting point is 70 C DIN 51566 and the boiling point is 260 C DIN 53171.