Diethyl sulfate

Alkaline Phosphatase
Dimethyl phthalate

Diethyl sulfate paramete

CAS No.: 64-67-5
MF: C4H10O4S
Place of Origin: China
Purity: 99%
Model Number: 64-67-5
Appearance: colorless liquid
Boiling point: 208 °C(lit.)
Vapor density: 5.3 (vs air)
Refractive index: n20/D 1.399(lit.)
Storage: Refrigerator (+4°C)
MOQ: 2 kg
Other Names: Diethyl sulfate
EINECS No.: 200-589-6
Type: Pharmaceutical Intermediates, Syntheses Material Intermediates
Brand Name: Look chemical
Application: Pharmaceutical Intermediates
Melting point: -24 °C
Density: 1.177 g/mL at 25 °C(lit.)
Vapor pressure: <0.01 mm Hg ( 20 °C)
Flash point: 173 °F
Water Solubility: 5 g/L (20 °C)


Other Names
Diethyl sulfate
Place of Origin
Pharmaceutical Intermediates, Syntheses Material Intermediates
Brand Name
Look chemical
Model Number
Pharmaceutical Intermediates
colorless liquid
Melting point
-24 °C
Boiling point
208 °C(lit.)
1.177 g/mL at 25 °C(lit.)
Vapor density
5.3 (vs air)
Vapor pressure
<0.01 mm Hg ( 20 °C)
Refractive index
n20/D 1.399(lit.)
Flash point
173 °F
Refrigerator (+4°C)
Water Solubility
5 g/L (20 °C)
2 kg


1.Diethyl sulfate is a highly reactive ethylating agent, widely used in the production of dyes, medicine and other fine chemical products. It is also used in the synthesis of quaternary ammonium salt, dehydrating agent, volatile oil extraction agent and so on.

2.Used for the ethoxylation of phenols

3.Used in medicine, dye, perfume, pesticide, etc., also used as ethylation reagent, ethylene sulfonation accelerator

4.Used in medicine, dyestuff, perfume and pesticide industries

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.


H302: Harmful if swallowed [Warning Acute toxicity, oral]

H312: Harmful in contact with skin [Warning Acute toxicity, dermal]

H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

H332: Harmful if inhaled [Warning Acute toxicity, inhalation]

H340: May cause genetic defects [Danger Germ cell mutagenicity]

H350: May cause cancer [Danger Carcinogenicity]


Ventilated low temperature dry warehouse, and oxidant, nitric acid, food additives stored separately


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.


Packing can be conducted according to customers' requirements.

Delivery detail

   [Delivery] 5 working days after payment.

Diethyl sulfate picture

Packaging and shipping

Honor Certificate

Professional team