What is methylenedianiline used for?
What is methylenedianiline used for?
4,4′-Methylenedianiline is used mainly for making poly urethane foams, which have a variety of uses, such as insulat ing materials in mailing containers. It is also used for making coating materials, glues, Spandex® fiber, dyes, and rubber.
Is MDA carcinogenic?
The International Agency for Research on Cancer (IARC) has classified MDA as a Group 2B, possible human carcinogen.
What is the permissible limit to MDA?
10 ppb is the permissible exposure limit to MDA when using an 8-hour time-weighted average.
What is MDA OSHA?
4,4′ Methylenedianiline or MDA means the chemical, 4,4′-diaminodiphenylmethane, Chemical Abstract Service Registry number 101-77-9, in the form of a vapor, liquid, or solid. The definition also includes the salts of MDA.
How many years must employers keep accurate?
In addition, employers must keep for at least two years all records (including wage rates, job evaluations, seniority and merit systems, and collective bargaining agreements) that explain the basis for paying different wages to employees of opposite sexes in the same establishment.
What is the permissible exposure limit to MDA in 8 hours?
How many modules are in OSHA 10?
Online OSHA 10-hour Construction Course Outline Module 1: Introduction to OSHA. Module 2: OSHA Focus Four Hazards. Module 3: Personal Protective Equipment. Module 4: Health Hazards in Construction.
How long do you have to keep employee personnel files after termination?
six years
As a result, you should keep personal data, performance appraisals and employment contracts for six years after an employee leaves.
What is 4 4 – methylenedianiline used for?
It occurs as a colorless to pale yellow solid and has a faint odor. 4,4′-Methylenedianiline is used mainly for making polyurethane foams, which have a variety of uses, such as insulating materials in mailing containers. It is also used for making coating materials, glues, Spandex® fiber, dyes, and rubber.
Is 4 4 – methylenedianiline a carcinogen?
It has a role as a carcinogenic agent. It derives from a hydride of a diphenylmethane. 4,4′-Methylenedianiline is an industrial chemical that is not known to occur naturally. It is also commonly known as diaminodiphenylmethane or MDA.
What does it feel like when your liver hurts?
Liver pain. Liver pain can take several forms. Most people feel it as a dull, throbbing sensation in the upper right abdomen. Liver pain can also feel like a stabbing sensation that takes your breath away.
Can you take painkillers if you have a liver problem?
If the problem with your liver is serious, taking painkillers you have at home could trigger a worse reaction. Once your liver condition has been diagnosed, you’ll probably be prescribed drugs to manage the condition and lessen your pain.
