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Current Position: Home > Dictionary EN > 2 > 128-37-0

2,6-Di-tert-butyl-4-methylphenol 128-37-0

Chemical Name 2,6-Di-tert-butyl-4-methylphenol
CAS Registry Number 128-37-0
PubChemID 31404
Molecular Weight 220.35
PSA 20.23000
LogP 4.29560
EINECS 204-881-4
Molecular Formula C15H24O
 
128-37-0 Properties
Density 1.048
Boiling Point 265 °C(lit.)
Flash Point 127 °C
Melting Point 69-73 °C(lit.)
Appearance White crystals or crystalline powder
Vapour <0.01 mm Hg ( 20 °C)
Refractive Index 1.4859
Solubility Insoluble.
Color/Form white
Stability Stable, but light-sensitive. Incompatible with acid chlorides, acid anhydrides, brass, copper, copper alloys, steel, bases, oxidizing agents. Combustible.
HS Code 29071900
Storage temp 0-6°C
Spectral properties Index of Refraction: 1.4859 @ 75 DEG C/D.
Max absorption(Isopropanol): 227 NM (LOG E= 3.75); 277 NM (LOG E= 3.34); 283 NM (LOG E= 3.34)
Intense mass spectral peaks: 205 m/z (100%), 220 m/z (27%), 57 m/z (27%), 206 m/z (15%)
IR: 2107 (Coblentz Society Spectral Collection)
NMR: 1563 (Atlas of Mass Spectral Data, John Wiley & Sons, New York)
 
128-37-0 Safety Infomation
Safety Statements 26-36-37/39-61-60
Risk Statements 22-36/37/38-36/38-50/53
Hazard Codes Xn,N
HazardClass 9
Safety Hazard Codes :HarmfulXn
Risk Statements:
R22:Harmful if swallowed
R36/37/38:Irritating to eyes, respiratory system and skin
R36/38:Irritating to eyes and skin
Safety Statements:
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing
S37/39:Wear suitable gloves and eye/face protection
RIDADR 3077
WGK Germany: 1
RTECS: GO7875000
F: 8-10-23
HazardClass: 9
PackingGroup: III
HS Code: 29071900

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
cat LDLo oral 940mg/kg (940mg/kg) GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

BEHAVIORAL: TREMOR

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION
AMA Archives of Industrial Health. Vol. 11, Pg. 93, 1955.
guinea pig LD50 oral 10700mg/kg (10700mg/kg) GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

BEHAVIORAL: TREMOR

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION
AMA Archives of Industrial Health. Vol. 11, Pg. 93, 1955.
mouse LD50 intraperitoneal 138mg/kg (138mg/kg) LUNGS, THORAX, OR RESPIRATION: CHRONIC PULMONARY EDEMA

LUNGS, THORAX, OR RESPIRATION: OTHER CHANGES

BLOOD: HEMORRHAGE
Toxicology and Applied Pharmacology. Vol. 61, Pg. 475, 1981.
mouse LD50 intravenous 180mg/kg (180mg/kg) BEHAVIORAL: SLEEP Journal of Medicinal Chemistry. Vol. 23, Pg. 1350, 1980.
mouse LD50 oral 650mg/kg (650mg/kg) BEHAVIORAL: TREMOR

LUNGS, THORAX, OR RESPIRATION: CHRONIC PULMONARY EDEMA
Science Reports of the Research Institutes, Tohoku University, Series C: Medicine. Vol. 36(1-4), Pg. 10, 1989.
rabbit LDLo oral 2100mg/kg (2100mg/kg) GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION

BEHAVIORAL: TREMOR
AMA Archives of Industrial Health. Vol. 11, Pg. 93, 1955.
rat LD50 oral 890mg/kg (890mg/kg) Neoplasma. Vol. 24, Pg. 253, 1977.
women TDLo oral 80mg/kg (80mg/kg) BEHAVIORAL: COMA

GASTROINTESTINAL: GASTRITIS

GASTROINTESTINAL: NAUSEA OR VOMITING
New England Journal of Medicine. Vol. 314, Pg. 648, 1986.

PackingGroup III
Skin, Eye, and Respiratory Irritations SRP: BHT dust is irritating if in contact with the eyes, nose or throat.
Transport 3077
Fire Fighting Procedures Carbon dioxide, dry chemial.
Fire Potential Fire Hazard: slight, when exposed to heat or flame. Moderately dangerous can react with oxidizing materials.
Formulations/Preparations The antioxidant formulations most commonly used in edible products contain various combinations of bha, bht, &/or propyl gallate together with citric acid in a suitable solvent.
Grades: technical; feed; "food chemical codex"
Inol CP shell
Embanox 2 rhone-poulenc
Hydagen DEO henkel
Exposure Standards and Regulations Butylated hydroxytoluene used as a chemical preservative in animal drugs, feeds, and related products is generally recognized as safe when the total content of antioxidants is not over 0.002 percent of fat or oil content, including essential (volatile) oil content of food, provided the substance is used in accordance with good manufacturing or feeding practice.
Reactivities and Incompatibilities Oxidizers.
Other Preventative Measures SRP: The scientific literature for the use of contact lenses in industry is conflicting. The benefit or detrimental effects of wearing contact lenses depend not only upon the substance, but also on factors including the form of the substance, characteristics and duration of the exposure, the uses of other eye protection equipment, and the hygiene of the lenses. However, there may be individual substances whose irritating or corrosive properties are such that the wearing of contact lenses would be harmful to the eye. In those specific cases, contact lenses should not be worn. In any event, the usual eye protection equipment should be worn even when contact lenses are in place.
The worker should immediately wash the skin when it becomes contaminated.
Work clothing that becomes wet or significantly contaminated should be removed and replaced.
Workers whose clothing may have become contaminated should change into uncontaminated clothing before leaving the work premises.
Protective Equipment and Clothing Wear appropriate personal protective clothing to prevent skin contact.
Wear appropriate eye protection to prevent eye contact.
Specification BHT , its cas register number is 128-37-0. It also can be called 2,6-Di-tert-butyl-4-methylphenol ; 2,6-Bis(1,1-dimethylethyl)-4-methylphenol ; 2,6-Di-tert-butyl-p-cresol ;Butylated hydroxytoluene ; Butylated hydroxytoluene ; DBPC .It is a white crystalline solid and insoluble in water.
 
 
 
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