国内精品在线视频_freexxxx性特大另类_美女光屁股私照大全_毛片色毛片18毛片美女

Brief

Petroleum Methylnaphthalene takes reformed aromatic hydrocarbon as materialk, is the mixture of α-Methylnaphthalene and β-Methylnaphthalene.

Molecular formula: C₁₁H₁₀

Quality index

Uses

Used in organic synthesis, insecticide, medicine, dye intermediates, also as a solvent of senior paint.

Packaging, storage and transportation

tank car or metal pail, This product belongs to dangerous goods, stored in accordance with the regulations of dangerous goods .