# NIOSH Mobile Pocket Guide

> The NIOSH Pocket Guide to Chemical Hazards

Canonical page: [https://chrome-stats.com/d/com.niosheid.androidnpg](https://chrome-stats.com/d/com.niosheid.androidnpg)

## Overview

- **ID:** `com.niosheid.androidnpg`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Centers for Disease Control and Prevention
- **Category:** HEALTH\_AND\_FITNESS
- **Downloads:** 155,540
- **Rating:** 4.51 / 5 (183 ratings)
- **Version:** 1.0
- **Last updated:** 2023-10-20
- **First published:** 2019-05-15
- **Publisher country:** US
- **Size:** 6.12 MB
- **Data as of:** 2026-09-12
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.niosheid.androidnpg)
- **Website:** [http://www.cdc.gov](http://www.cdc.gov/)
- **Privacy policy:** [https://www.cdc.gov/other/mobileprivacypolicy.html](https://www.cdc.gov/other/mobileprivacypolicy.html)

## Description

The NIOSH Mobile Pocket Guide is a vital resource for workers, employers, and occupational health professionals seeking industrial hygiene information. It provides concise data for 677 chemicals and substance groups commonly found in work environments, including recommended exposure limits by NIOSH and OSHA standards. Key features include searching by chemical name, synonyms, DOT number, CAS number, or RTECS number, bookmarking frequently used chemicals, viewing a history of accessed chemicals, and copying information for easy sharing. With links to IDLH and regulatory methods, this app helps users recognize and control occupational chemical hazards effectively.

## Rankings

- #179,829 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`

## Review summary

Users praise the app for being easy to use, highly accessible in the field, and a convenient offline reference to chemical data. It’s considered a valuable, government-backed information resource that can replace bulky MSDS books in the field. However, several reviews warn that the data is outdated (15+ years) and can include incorrect values due to stale content. Some devices experience installation or launch problems, limiting reliability on certain phones.

### Pros

- Easy to use and quick to access information
- Very useful in the field; convenient compared to paper MSDS
- Offline access: can download data and use it in remote locations
- Good government-backed information resource; educational
- Portable and handy for fieldwork, reducing the need to carry bulky references

### Cons

- Outdated information that has not been updated for 15+ years
- Data inaccuracies or incorrect values due to stale content (e.g., IDLH values)
- Installation/launch issues on some devices (app may fail to launch or not install on certain phones)

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.niosheid.androidnpg)