3,3′,4,4′-Benzophenonetetracarboxylic dianhydride

Cyclohexyldimethoxymethylsilane paramete

CAS No.: 17865-32-6
MF: C12H23N
Place of Origin: Shandong, China
Purity: 99.9%min
Model Number: T-CAS 17865-32-6
Appearance: Colorless liquid
Molecular weight: 90.12
Packing: 1,25,50,200kg / drum
Boiling point: 230 °C(lit.)
Flash point: 135 °C
PH: 7-8 (500g/l, H2O, 20℃)
Other Names: CMMS
EINECS No.: 200-875-0
Type: Pharmaceutical Intermediates
Brand Name: Lookchemical
Application: Pharm Intermediates
Form: liquid
Vapor density: 3.1 (vs air)
Melting point: 20 °C
Density: 1.017 g/mL at 25 °C(lit.)
Storage: 2-8°C


Item Index
Appearance Colorless transparent liquid
Purity, % ≥99.0
Boiling point, °C/(760mmHg) 201.2
Density, g/cm3 0.94
Refractive index 25°C 1.4360-1.4380
Solubility Dissolved in organic solvent but not water
Flash point, °C 73.8
Freezing point, °C ≤0
Methanol content, % ≤0.1
Water content, % ≤0.02
Chlorine content (measured with HCL), % ≤0.003


It can be used as a highly effective and non-toxic additive in propylene polymerization

Product service

1. Certificate Of Analysis (COA)

2. Material Safety Data Sheet (MSDS)

3. Route of synthesis (ROS)

4. Method of Aanlysis (MOA)

5. Nuclear Magnetic Resonance (NMR)

6. Packing pictures and loading video before loading

7. Free Sample

8. Factory audit


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Q1: Do you accept sample order?
A:  We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
Q2:  What is our advantage?
A : The series of natural extracted product are all self-developed, produced and tested. Mature production technology, strict cost control, and perfect quality assurance system, ensure the product stability and competitive price.
Q3: What’s your MOQ?
A :  Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q4: Do you supply product report?
A : Yes. We'll give you product analysis report before shipping.
 Q5: Is there a discount?
A :  Different quantity has different discount.
Q6: Can we visit your factory?
A :  Yes. Welcome to visit.
Q7: How to confirm the Product Quality before placing orders?
A :  You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.


H315: Causes skin irritation [Warning Skin corrosion/irritation]

H411: Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.


It is packed in iron drums and its net weight is 200 kg/drum (or as required by the client).

Packing can be conducted according to customers' requirements.

Delivery detail

   [Delivery] 5 working days after payment.

Cyclohexyldimethoxymethylsilane picture

Packaging and shipping

Honor Certificate

Professional team