Yuanfar Chemicals
Products Yellow inhibitor HN-150
CAS No 85095-61-0
Description This product is applied to polyurethane industry.
  • Technology and characteristics
  • Product index
  • Product application
    Technology and characteristics :

    YELLOW INHIBITOR HN-150 

    Other Name: 1,1,1,1-Tetramethyl-4,4-(methylene-di-p-phenylene) disemicarbazide

    CAS NO.: 85095-61-0

    Main Purity: 97% 

    Packing & storage: 20kg in paper box or 25kg in plastic bag lined cardboard drum; kept in cool and dry place, avoid sunlight.

    Product index :



    Section 1 - Chemical Product 

    MSDS Name:      Yellow inhibitor HN-150


    Section 2 - Composition, Information on Ingredients

    CAS No.:       85095-61-0


    Section 3 - Hazards Identification

    EMERGENCY OVERVIEW

    Incursions pathway:   Inhalation, ingestion, cutaneous absorption

    Environmental hazards: Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environmetn.


    Section 4 - First Aid Measures

    Skin:       Flush skin with plenty of water and soap, be sure not to use organic solvent.

    Eyes:       Flush eyes with plenty of water for at least 15 minutes, if eyes inflammation or irritation ,get medical aid immediately. 

    Inhalation: Remove from scene to fresh air immediately.If respiratory system or mucosa inflammation or irritation ,get medical aid immediately; If discomfort, get medical aid immediately;If contact time is longer, get medical aid immediately too.

    Ingestion:      Taken plenty of water immediately(more than 500ml,if possible, give active carbon slurry). If accompany with vomit,please let him vomit completely by himself,to prevent suffocation.Give water constantly, manual induce vomiting only by someone understand knowledge of emergency treatment. Never give anything by mouth to unconscious or comatose person,get medical aid immediately.

    Ingestion:      Taken plenty of water immediately(more than 500ml,if possible, give active carbon slurry). If accompany with vomit,please let him vomit completely by himself,to prevent suffocation.Give water constantly, manual induce vomiting only by someone understand knowledge of emergency treatment. Never give anything by mouth to unconscious or comatose person,get medical aid immediately.


    Section 5 - Fire Fighting Measures Hazardous

    Characteristics:        Explosibility, Dust may form an explosive mixture with air.

    Harmful combustion

    products:             Carbonic oxide, nitric oxide, toxic gas, smog.

    Extinguishing media and extinguishant:      

    Water, CO2, foam, dry powder.

    Fire fighting matters need

    attention and measures:   a) If water contaminated from fire hoses or spray gun,do not discharge waters into sewer or groundwater system, rivers and lakes.Water used by fire control must try to collect,sewage or soil must be deal with local regulations.          

    b) Special protective equipment for firefighters: Body covering full protective clothing, Self-contained breathing apparatus.


    Section 6 - Accidental Release Measures

    Emergency dispose:       Power off

    Personal precautions:      Do not breath Vapors or dust., avoid contact with skin , eyes and clothes.

    Environmental precautions: Prevent from entering sewer system, surface water or groundwater system.

    Measures for cleaning up:  Handle with machine and equipment. Sweep up and collect product into a suitable container, seal up, labeled, avoid making dust.


    Section 7 - Handling and Storage

    Handling precautions: Caution as remove and open, avoid making dust, keep away from sources of ignition. Use with adequate ventilation, no eating, drinking or smoking at work place.

    Storage precautions:  Far away from food and drink. Stored in original container and keep it tightly closed in a cool, dry place.Seal the cover right after use.Protect from sunshine.If the containter more than 2000L,or use inflammable organic solvent, passivation of containter or make system anti-explosion,consult professional.


    Section 8 - Exposure Controls, Personal Protection

    Maximum permissible concentration: China(MAC) none listed

    Internally piloting:               10mg/m3 (8 hours weighted average)

    Monitoring measures:             Use adequate analytical instrument

    Respiratory protection:            Effective dust respirator

    Eye protection                 Appropriate glasses and masks

    Body peotection:                 Work clothes, and tightness shoes

    Hand protection:                  Protective gloves

    Other protection:                 Forbid eating, drinking or smoking at work place. Avoid drinking alcoholic beverages before work, take a bath and put on clean clothes after work. Take physical examination before employment and regular.


    Section 9 - Stability and Reactivity

    Stability :                        Thermal decomposition

    Conditions to Avoid:               Electrostatic discharge

    Incompatibilities with Other Materials: Strong acid, strong base, stong oxidant     

    Decomposition Products:           Carbonic oxide, nitric oxide, toxic gas, smog


    Section 10 - Physical and Chemical Properties

    Appearance:      White powder

    Constitutional formula:

    Molecular weight:  370

    Melting point:     170~178

    Density(20):     1.1g/cm2

    Dry dectement:    0.2



    Section 11 - Toxicological Information

    Acute toxicity:  LD50 >2000mg/kg(oral, rat)

    Chronic toxicity: Skin damage, degrease, dry and dermatitis.

    Irritation:           a)Skin, rabbit , 1000mg/24h, moderate irritation;   

    b)Eye ,rabbit , 4mg/24h , moderate irritation


    Section 12 - Disposal Considerations

    Waste dispose measures:        Chemical residue should be incinerated or disposed according to the local regulations

    Waste matters need attention:  Polluted packing material should be disposed as same measure as chemical residue.Clean packing material should guide into the plan of waste management (circulate, recycle), according to the local regulations.




    Product application :

    Appearance: White powder

    Applications: This product is applied to polyurethane industry. For example, it can be used as yellow inhibitor of fiber, synthesized leather, man-made leather.



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