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structure of 99-98-9

N,N-Dimethyl-P-Phenylenediamine(CAS 99-98-9)

CAS No.: 99-98-9 Brand: MolBest
M. Ft.: C8H12N2 Cat. No: G9872454
M. Wt.: 136.19 MDL: MFCD00007860
Storage: Store in a cool,dry area. Use: For laboratory research use only
HS CODE: 2921590090 UN No.: UN 2811 6.1 /PG II
Purity Grade Package Stock Price Quantity
98%
Documents:COANMRGCSDS
RG 5G In Stock 4 USD
98%
Documents:COANMRGCSDS
RG 25G In Stock 12 USD
98%
Documents:COANMRGCSDS
RG 100G In Stock 42 USD
98%
Documents:COANMRGCSDS
RG 500G In Stock 204 USD
98%
Documents:COANMRGCSDS
RG 2.5KG In Stock 1010 USD
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Applications of 99-98-9

N,N-Dimethyl-p-phenylenediamine has a wide range of applications:

  • Rubber Industry: It serves as an accelerator for the vulcanization process, enhancing the mechanical properties of rubber products.
  • Dye Manufacturing: The compound can be converted into methylene blue through multi-step reactions involving dimethylaniline and sodium thiosulfate.
  • Analytical Chemistry: It is utilized in various analytical methods, including oxidase tests.

Physical and chemical properties of 99-98-9

Acidity coefficient

6?+-.0.12(Predicted)

Boiling Point

BP: 262 °C

BRN

508105

Decomposition

When heated to decomposition it emits toxic fumes of NOx.

Density

1.036 g/cu cm at 20 °C

Exact Mass

136.100052

Flash Point

90 °C

Index of Refraction

1.607

LogP

log Kow = 1.25 (est)

Melting Point

53 °C; also stated as 41 °C

Merck

14,3254

Molecular Formula

C8H12N2

Molecular Weight

136.194

PSA

29.26000

Sensitivity

Light Sensitive

Stability

Stable. Incompatible with acid chlorides, acid anhydrides, strong acids, strong oxidizing agents. Combustible.

Storage condition

2-8°C

Vapour density

4.69 (NTP, 1992) (Relative to Air)

Vapour Pressure

7.51X10-3 mm Hg at 25 °C (est)

Water Solubility

11 g/L (20 ºC)

Spectrums of 99-98-9

Attention:
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Physical sample testing spectrum (NMR) of 99-98-9

Retrosynthesis analysis of 99-98-9

Q&A for CAS 99-98-9

1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.

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3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.

4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.

5. Do you offer technical support?
Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.

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Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.

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Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.

10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.

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Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.

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Download SDS of 99-98-9

Pictograms

Signal Word

Danger

Hazard Statements

H300 Fatal if swallowed
H301 Toxic if swallowed
H311 Toxic in contact with skin
H331 Toxic if inhaled

Safety Data Sheet

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Operate under the ISO 9001 system