ASTM D3734 Standard Specification for High-Flash Aromatic Naphthas
3. Classification
3.1 High-flash aromatic naphthas shall be of the following types, as specified:
3.1.1 Type I - Aromatic 100 (Note 1), having a flash point not less than 100°F (38°C).

3.1.2 Type II - Aromatic 150 (Note 2), having a flash point not less than 142°F (61°C).

NOTE 1 - Aromatic 100 consists primarily of C9 aromatic hydrocarbons.

NOTE 2 - Aromatic 150 consists primarily of C10 aromatic hydrocarbons.

4. Properties
4.1 The physical and chemical properties of high-flash aromatic naphthas shall conform to the requirements specified in Table 1.

5. Sampling
5.1 The material shall be sampled in accordance with Practice E 300.