Antioxidant BBM

CAS NO: 85-60-9

EINECS NO : 201-618-5

Molecular formula: C26H38O2

Molecular weight: 382.58

Chinese name: 4,4'-butylidene-bis[2-(1,1-dimethylethyl)-5-methyl]phenol        4,4 '-Butyl-bis(6-tert-butylm-cresol)

Antioxidant BBM

English name: 4,4'-butylidenebis(6-tert-butyl-m-cresol)

English synonyms:

BBM; SBM-S; DH 26; Lowinox 44B25; Mark AO 40; NS 30; NSC 67485; Noclizer NS 30; Nocrac NS 30;

Nonflex BB; SWP; SWP (antioxidant); Santowhite; Santowhite AW 300; Santowhite Powder; Selosol G 969;    Sumilizer BBM; Sumilizer BBM-S; Vanox SWP; Yoshinox BB

Property Description: White or light yellow powder, molecular weight 382, ​​melting point 208℃, soluble in methanol, ethanol, ethyl acetate or acetone. This product has excellent oxidation resistance.

Quality Standard:

Appearance: white powder

Purity: 99% min

Melting point: 208-214 ° C

Ash: 0.10% max

Heating loss: 0.15% max

Transmittance: 425nm 95% min  500nm 97% min

Product Usage:

1. Antioxidant BBM (85-60-9) is used as an antioxidant for synthetic rubber and natural rubber. It can protect the natural and synthetic rubber from thermal aging and light and ozone aging, so that the color of the rubber will not change under the illumination. Used in white and colored products. The dosage is 0.5% to 5.0%.

2. Also used as a copolymer of polyethylene, polypropylene, acrylonitrile and butadiene and styrene, heat resistant and light stabilizer of polyacetal. It can be mixed with polyamide, organotin compound, February thiodipropionate or phosphite. The dosage is 0.01% to 0.5%.

3. This product can also be used as a heat stabilizer for the chemical fiber industry, and the amount of the polyamide fiber used is 0.1% to 0.5%.

Safety Instructions:

S26: In case of contact with eyes, rinse immediately with plenty of water and send to hospital for treatment

S36/37/39: Wear suitable protective clothing, gloves and eye protection or face mask

Hazard Category Code: R36/3738: Irritating to eyes, respiratory tract and skin

Acute toxicity: Oral-rat LDL0 is 17000 mg/kg.

Flammability Hazardous Characteristics: Thermal decomposition of toxic and irritating smoke.

Storage and Transportation Features: The warehouse is ventilated and dried at low temperatures.

Extinguishing media: water, dry powder, carbon dioxide, foam.

It is packed in a cardboard box lined with plastic bags and three-in-one paper bags, 50kg per bag.