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4-tert-Butylcatechol Structure

4-tert-Butylcatechol

Chemical Properties

Melting point 52-55 °C(lit.)
Boiling point 285 °C(lit.)
Density  1.049
vapor pressure  <1 hPa (25 °C)
refractive index  n20/D 1.508
Flash point >230 °F
storage temp.  Store below +30°C.
solubility  methanol: soluble1g/10 mL, clear, colorless to slightly yellow
pka 9.92±0.10(Predicted)
form  powder to lump
color  White to Light yellow to Light red
Odor at 10.00?%?in?dipropylene glycol. phenolic
Water Solubility  0.2 g/100 mL (25 ºC)
Sensitive  Hygroscopic
BRN  2043335
Exposure limits ACGIH: TWA 5 ppm (Skin)
NIOSH: TWA 5 ppm(20 mg/m3)
InChIKey XESZUVZBAMCAEJ-UHFFFAOYSA-N
LogP 1.98 at 25℃
Indirect Additives used in Food Contact Substances 4-TERT-BUTYLCATECHOL
FDA 21 CFR 175.105; 177.2600
CAS DataBase Reference 98-29-3(CAS DataBase Reference)
EWG's Food Scores 1-4
FDA UNII 9A069144KR
NIST Chemistry Reference 1,2-Benzenediol, 4-(1,1-dimethylethyl)-(98-29-3)
EPA Substance Registry System p-tert-Butylcatechol (98-29-3)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H302+H312-H314-H317-H410
Precautionary statements P260-P273-P280-P301+P312-P303+P361+P353-P305+P351+P338
Hazard Codes  C,N,T
Risk Statements  22-34-43-21-51/53-21/22-39/23/24/25-20/21/22-10-50/53
Safety Statements  26-36/37/39-45-61-24-60
RIDADR  UN 2923 8/PG 3
WGK Germany  2
RTECS  UX1400000
Autoignition Temperature 160 °C
TSCA  Yes
HazardClass  8
PackingGroup  III
HS Code  29072900
Toxicity LD50 orally in Rabbit: 815 mg/kg LD50 dermal Rat 1331 mg/kg
NFPA 704:
1
2 0

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4-tert-Butylcatechol Chemical Properties,Usage,Production

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