Is M-Xylene toxic?

May be harmful if absorbed through skin or if inhaled. May cause central nervous system depression. Target Organs: Central nervous system, respiratory system, eyes, skin.

What does M stand for in M-Xylene?

m-Xylene (meta-xylene) is an aromatic hydrocarbon. It is one of the three isomers of dimethylbenzene known collectively as xylenes. The m- stands for meta-, indicating that the two methyl groups in m-xylene occupy positions 1 and 3 on a benzene ring.

Is methanol an MSDS?

Methanol is a mild to moderate eye irritant. Inhalation, ingestion or skin absorption of methanol can cause significant disturbances in vision, including blindness. Skin: Causes moderate skin irritation. May be absorbed through the skin in harmful amounts.

How much xylene is toxic?

Most exposures to xylene occur by inhalation and xylene is readily absorbed from the lungs. Xylene’s odor threshold is about 1 ppm, which is 100 times less than the OSHA PEL and generally provides adequate warning of acutely hazardous concentrations. Irritation of eye and throat occur at about 200 ppm.

Why is xylene toxic?

The main effect of inhaling xylene vapor is depression of the central nervous system, with symptoms such as headache, dizziness, nausea and vomiting. The effects listed below can begin to occur with exposure to air levels of about 100 ppm.

What does m-Xylene smell like?

Xylene is a colorless liquid that had a sweet odor. Xylene is flammable and practically insoluble.

Where does m-Xylene come from?

M-xylene is a xylene carrying methyl groups at positions 1 and 3. m-Xylene is a natural product found in Psidium guajava, Zingiber mioga, and other organisms with data available.

How does xylene remove alcohol?

These procedures are performed prior to staining. Deparaffinization is to remove the paraffin penetrated into the tissue. After deparaffinization, xylene is removed with 100% ethanol. Then, slides are hydrated in a series of graded alcohols until water is used….⑪ Deparaffinization & hydration.

100% ethanol I Removal of xylene
100% ethanol III