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RMC-22 Auti-Oxidant for gasoline

CONCENTRATION

Normally 2-10 lb/1000 bbl (6-28 mg/L) in finished blends; 5-15 lb/1000 bbl (14-43 mg/L) frequently employed for inhibiting cracked blending stocks.

COMPOSITION
 
N,N-di-sec-butyl-p-phenylenediamine.


PROPERTIES

Appearance red liquid
Specific Gravity, 60/60F (16/16C) 0.94
Density, lb/gal, 60F (16C) 7.87
Crystallization Temperature
            Seeded, F (C)  68 (20)
            Unseeded, F (C) <-10 (<-23)
Flash Point, PMCC, F (C) >200 (>93)
Thermal Decomposition, F (C) >450 (>232)
Solubility in Water, 80F (27C), wt % 0.06
Viscosity, cSt @   32F (  0C) 149
            77F (25C) 22
           100F (38C) 11
Vapor Pressure, psi @ 285F (140C)  0.04
                                  100F (  38C) nil

                               

ADDITION
Either concentrated or in stock solutions with a small pump or eduction system.  Carry out transfers in a closed system under N2 or refinery gas free of H2S.


PERSONAL SAFETY, FIRST AID AND
STORAGE AND HANDLING

See the Material Safety Data Sheet for product-specific information


Fire Fighting Measures

Flammable Properties
      Flash Point................. >94C (>201F) 
      Method....................... PMCC

Extinguishing Media
Water Spray, Foam, Dry Chemical, CO2.

Fire Fighting Instructions
Wear self-contained breathing apparatus.  Wear full protective equipment.

Accidental Release Measures

Note: Review fire fighting measures and handling (PERSONNEL) Sections before proceeding with clean up.  Use appropriate PERSONAL PROTECTIVE EQUIPMENT during clean up.  Soak up with sawdust, sand, oil dry or other absorbent material.  Remove source of heat, sparks, flame, impact, friction, or electricity.  Dike spill.  Prevent material from entering sewers, waterways, or low areas.

Spill Clean-Up
Absorb spill with inert material.  Thoroughly wash spill area with water after clean-up.

Accidental Release Measures
Spills are very slippery and should be cleaned up promptly.

Handling and Storage

Handling (Personnel)
Avoid breathing vapors or mist.  Avoid contact with eyes, skin, or clothing. Wash thoroughly after handling. 

Handling (Physical Aspects)
Keep away from heat, sparks and flames.

Storage
Store in a well-ventilated place. Keep container tightly closed.  Store in accordance with National Fire Protection Association recommendations.

Physical and Chemical Properties
Physical Data
Appearance. Red
Form Liquid
Odor No distinct odor
Specific Gravity 0.94 @ 60/60F (16/16C)
Solubility in water 0.06% wt.%
Boiling Point 320C (608F) @ 760 mm/Hg
Evaporation Rate <1 (Butyl Acetate=1)
Heat of Vaporization 15,300 cal/mole
Vapor Pressure 10 mm Hg @ 170C (338F)

Ecological Information

Daphnia Magna 48 hour EC50: 1.40 mg/L
Bluegill sunfish 96 hour LC50: 0.18 mg/L
Fathead minnow 96 hour LC50: 0.13 mg/L
Trout 96 hour LC50: 0.13 mg/L

The data show RMC-22 to be toxic to aquatic species.


Hazardous Identification

Potential Health Effects
Skin contact with the product ingredients may cause skin burns or ulceration.  Skin permeation can occur in amounts capable of producing the effects of systemic toxicity.  There are no reports of human sensitization.  Eye contact may initially include eye corrosion with corneal or conjunctival ulceration. No acceptable information is available to confidently predict the effects of excessive human exposure to this compound.

Carcinogenicity Information
None of the components present in this material at concentrations equal to or greater than 0.1% are listed by iarc, ntp, osha or ACGIH as a carcinogen.


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RMC-22   Material Safety Data Sheet

Composition / Ingredient Information

Material CAS Number     %
N, N-Di-Sec-Butyl-p-Phenylenediamine 101-962.. 95-100
N, N, N-Tri-Sec-Butyl-p-Phenylenediamine 64381-97-1 0-2
N-Sec-Butyl-p-Phenylenediamine. 10029-30-8 0-2

First Aid Measures

Inhalation
If inhaled, remove to fresh air.  If not breathing, give artificial respiration.  If breathing is difficult, give oxygen.  Call a physician.

Skin Contact
Flush skin with water after contact.  Wash contaminated clothing before reuse.

Eye Contact
In case of contact immediately, flush eyes with plenty of water for at least 15 minutes.  Call a physician.

Ingestion
If swallowed, do not induce vomiting.  Allow victim to rinse his mouth and then to drink 2-4 cupfuls of water.  Never give anything by mouth to an unconscious person.  Call a physician.

Notes to Physicians
Activated charcoal mixture may be administered.  To prepare activated charcoal mixture, suspend 50 grams activated charcoal in 400-ml water and mix thoroughly.  Administer 5 ml/kg or 350 ml for an average adult.

Because of the danger of aspiration, emesis or gastric lavage should not be employed unless the risk is justified by the presence of additional toxic substances.  Activated charcoal may induce vomiting, but may be given after emesis or lavage to absorb toxic additives.  Steroid therapy in mild to moderate cases does not improve outcome.  Bacterial pneumonia often occurs after exposure, but prophylactic antibiotics are not indicated and should be reserved for documented bacterial pneumonia.

Exposure Controls

Engineering Controls
Use only with adequate ventilation.  Keep container tightly closed.

Personal Protective Equipment

Eye/Face Protection
Wear coverall chemical splash goggles or safety  glasses.
Respirators
Where there is potential for airborne exposures in excess of applicable limits, wear NIOSH/MSHA approved respiratory protection.
Protective Clothing
Where there is potential for skin contact have available and wear as appropriate Impervious gloves, apron, pants, hood and jacket.
Exposure Limits
None established.
Stability and Reactivity

Chemical Stability
Stable at normal temperatures and storage conditions.

Incompatibility
Incompatible with strong oxidizers/strong acids.

Decomposition
Thermally decomposes at 232C (450F).  Decomposition products include oxides of nitrogen.

Polymerization
Will not occur.

Toxicological Information

Animal Data
N, N-Di-Sec-Butyl-p-Phenylenediamine:
Skin Absorption LD50 450 mg/kg in rabbits
Oral LD50 200 mg/kg in rats
Inhalation 6 hour LC50 247 mg/L in rats

N, N-di-sec-butyl-p-phenylenediamine is corrosive to skin, is untested for eye irritancy, and is a skin sensitizer in animals.  Toxic effects described in animals from short exposures by inhalation,  ingestion, or skin contact include lung effects, kidney effects, liver effects, and nonspecific effects such as weight loss and irritation.  No animal test reports are available to define carcinogenic, mutagenic, embryotoxic, or reproductive hazards.

N, N, N-tri-sec-butyl-p-phenylenediamine is untested for skin or eye irritancy, and for animal sensitization.  The closely related N, N di-substituted compound is a skin corrosive, and a skin sensitizer in guinea pigs.  The effects in animals from acute, subchronic, or chronic exposure by inhalation, ingestion, or skin contact have not been determined.  The N, N di-substituted compound produces hemolysis (red blood cell breakage), methomoglobinemia, cyanosis and weight loss.

N-sec-butyl-p-phenylenediamine is untested for skin or eye irritancy, and for animal sensitization.  The closely related N, N di-substituted compound is a severe skin irritant, and a skin sensitizer in guinea pigs.  The effects in animals from acute, subchronic, or chronic exposure by inhalation, ingestion, or skin contact have not been determined.  The N, N di-substituted compound produces hemoglobinemia, methemoglobinemia, cyanosis and weight loss.

Disposal Considerations

Waste Disposal
Treatment, storage, transportation, and disposal must be in accordance with applicable Federal, State/Provincial and Local regulations.

The data in this Material Safety Data Sheet relates only to the specific material designated herein and does not relate to use in combination with any other material or in any process.

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