Sodium azide 1% in aqueous solution (2024)

1. Validity

The present general terms of sale and delivery apply to all business of VWR International GmbH, i.e. particularly to industrial chemicals, reagents and diagnostic products as well as general laboratory supplies including equipment for the use of these products and consulting. By placing an order the customer irrevocably accepts the present conditions whose modification requires our written consent.

If a business has been concluded on the basis of the present General Terms and Conditions of Sale and Delivery, these will apply also to further business, even if no reference is made to them.

If we act as agents of other companies, particularly of Merck KgaA, Darmstadt, the General Conditions of this company shall apply to the procured business (the so-called extended retention of title with regard to claims resulting from the sale of goods which remain the property of VWR until fully paid is, in view of the Austrian laws, considered as not agreed upon for deliveries to Austria)

We do not recognize the general conditions of our customers, even if we do not explicitly reject them in a specific case.

2. Offers

Our offers and list prices are subject to alteration. Orders by our customers, even when based on our offers, shall become binding only when confirmed in writing by us or when delivered.

3. Cancellation / Return of Goods

Due to rapid delivery basically no cancellation of orders is possible. If, exceptionally, the purchase order (order) is cancelled by mutual consent without stipulation of a cancellation fee, the cancellation fee to be paid by the customer amounts to 20% or EURO 36.00 as basic sum plus value added tax. This stipulation does not entitle the customer to unilateral cancellation of a contract (order). Goods without defects may be returned to VWR International GmbH only with explicit consent and carriage paid. Refrigerated goods are generally excluded from returns.

4. Delivery Deadlines, Delay and Non-Delivery

We make an effort to keep the delivery deadlines defined by us, but since delivery does not only depend on us, we cannot make any binding promises. The delivery period shall be extended by force majeure or by all obstacles that by reasonable means cannot be influenced by us.

Exceeded delivery deadlines shall not entitle our customers to raise damage claims, but our customers may, if the delivery deadline has been exceeded by more than four weeks and this is exclusively due to our fault, withdraw from the contract by registered mail. This withdrawal shall become effective, if we fail to make the delivery within a reasonable extension period of at least four weeks. The customer shall not be entitled to raise any further claims.

5. Delivery, Exclusion of Indemnification

The goods shall be delivered in standard commercial quality. A reasonable amount of partial deliveries is admissible. In case of purchase according to specimen or sample the characteristics of the specimen or sample are not guaranteed. Any liability for the appropriateness of the delivered goods for the purpose intended by the customer is excluded as well as for damages caused by the product or its processing. In particular also our liability for material damages according to the product liability act is excluded. Our liability for damages resulting from consulting is excluded as well.
Customer complaints can generally only be considered when written orders were made.


6. Shipment and Transfer of Risk

Delivery shall be made ex works, freight charges shall be borne by the purchaser. Due to increased handling expenses a lump sum for small orders amounting to EURO 15.00 will be charged for orders below EURO 150.00. If the customer has special requests concerning the type of shipment, e.g. express shipment, the additional costs shall be charged.

The risk shall be transferred to the customer when the goods are transferred to a forwarder or carrier, in any case when they leave of the warehouse.

7. Use

The products we supply are intended for use in accordance with the documentation and manufacturer specifications under the user’s sole responsibility. Nevertheless, for some specific products (Active Pharmaceutical Ingredients), VWR, as a distributor, is not able to fulfill the requirements (European guidelines for GMP Medicinal products for human and veterinary use) and cannot sell the products.

The products we supply cannot be used as active ingredients, in human or veterinary medicine. For use as pharmaceutical, cosmetic, food additives, agricultural aids, pesticides or domestic, the customer must contact the VWR local sales organisation.

Our customers that intend to use these products for a pharmaceutical, cosmetic, food or any other use must carry out their own internal checks and controls to ensure that they are in compliance with their local laws,regulations (e.g. European pharmacopeia, etc.).

In no event VWR International shall be liable if a customer uses a product that does not fit with the intended use.

It is customer's responsibility to comply with all applicable health, safety and other regulations and to take appropriate steps in relation to the storage, handling, sale and use of the products.

8. Declaration of decontamination by the customer

Instruments or other materials, that are handed over to VWR, must be decontaminated by the customer or the end-user. Decontamination is being confirmed by a decontamination declaration, that is accompanying the shipment.

For damage of any kind, that is caused by missing cleaning and/or decontamination, the customer or end-user is liable in its intentity.

Every owner of an instrument is obligated to forward this information in case of sale or abandonment.

For return of reusable packaging point 8 is exclusively valid.

9. Refund system

Reusable packaging or containers (“reusable packaging”) remains property of the respective supplier and is only left to the customer as a loan.

VWR reserves the right to demand deposit fees for reusable packaging. The amount complies with the specifications of the respective supplier. The deposit fee will be refunded completely by return of undamaged, completely deflated and carriage paid return of the reusable packaging.

In case, that the reusable packaging ist not or damaged returned and/or has been diverted from its intended use by the customer, the customer expires his claim of refund of the deposit fee. Arising cleaning or disposal costs for VWR by reusable packaging, not being completely deflated or diverted from its intended use, will be at the customer´s expense.


10. Prices and Payment

Value added tax shall be added to the prices.

In case of a considerable increase of prices after conclusion of the contract we shall be entitled to raise the prices accordingly.
With orders below EUR 1,000.00 we reserve ourselves the right to refrain from a separate confirmation of the order.

The purchase price has to be paid without discount within 14 days after the date of the invoice.

We shall, however, be entitled to make the delivery only for cash in advance or cash on delivery without having to state reasons therefor.

If we accept bills of exchange or checks, we do so only on account of payment. Payment shall be considered as made only after definitive cashing of the check. Discount charges and interest shall be borne by the customer.

Bank transfer charges shall be borne by the customer.

If the customer is in arrears with regard to any contractual obligation towards us, all invoices shall become due immediately. In case of delayed payment interest amounting to the bank rate of interest for overdraft facility at the time, but in any case a minimum of 12% plus VAT shall be charged.

Objections regarding the goods does not entitle to withhold payment. The customer shall not be entitled to any compensation for other claims.


11. Reservation of title

All goods delivered by us remain our property until full payment has been made. If such goods which remain our property are processed by our customer, property shall be shared in proportion to the value shares at the time of processing.

12. Warranty

Regardless of the fact whether our customer is a business man or not, the legal warranty stipulations for mutual sales transactions shall be applied. Compensation for consequential damage caused by defects in delivered goods shall be excluded.

13. Place of Fulfilment, Venue

Place of fulfilment of all services is Vienna. In case of dispute arising from or in connection with our contractual relation or its cancellation the court of competent jurisdiction for Vienna 1 shall, at first instance, have exclusive competence.


VWR International GmbH
Graumanngasse 7
1150 Vienna
Telephone +43 1 97 002 - 0
Telefax +43 1 97 002 - 600
E-Mail: info.at@vwr.com
Internet: www.vwr.com

Vienna, May 2018

FN: 189903 w
Commercial Court Vienna
VAT reg.-number: ATU 48152305
DVR-No.: 1034731
ARA-No.: 2158
ERA-No.: 50478

Sodium azide 1% in aqueous solution (2024)

FAQs

How do you make a 0.1% sodium azide solution? ›

Prepare 2 Liters of PBS with 0.1% Sodium Azide:

Measure 1960 ml of 1x PBS (-) into a clean container. Using a serological pipette, add 40 ml of 5% Sodium Azide Stock Solution. See Table 2 below if preparing a larger volume. Manually swirl the bottle to mix solution.

What concentration of sodium azide to use? ›

Sodium azide (NaN3, CAS: 26628-22-8) is used in dilute solutions as a preservative of biological samples and stock solutions. Typical concentrations for use as a preservative are from 0.02 % to 0.1 %. Sodium azide is also used in laboratories as a reagent in synthesis work.

Is 0.02% sodium azide safe to use? ›

Sodium azide is also acutely toxic. Solutions containing less than 0.02% sodium azide as a preservative, and with no other regulated chemicals, can be flushed to the sanitary sewer with copious amounts of water.

Is 0.05% sodium azide toxic? ›

Sodium azide is toxic. That is why it is used as a preservative to prevent organisms growing.

How do you make a 10% solution of sodium azide? ›

10% Sodium Azide

Dissolve 10 g of sodium azide in 100 ml of distilled H2O. Store at room temperature.

What is 0.1 sodium azide used for? ›

Sodium azide 0.1M solution is an additive screening solution of Additive Screening Kit. Additive Screen kit is designed to allow rapid and convenient evaluation of additives and their ability to influence the crystallization of the sample. The Additive Kit provides a tool for refining crystallization conditions.

How much sodium azide do I add? ›

To prevent microbial contamination, sodium azide can be added to an antibody preparation to a final concentration of 0.02% (w/v). Many Abcam antibodies already contain this preservative at concentrations ranging from 0.02 to 0.05%.

What is the threshold limit for sodium azide? ›

NIOSH: The recommended airborne exposure limit (REL) is 0.1 ppm (as Hydrazoic Acid), which should not be exceeded at any time. ACGIH: The threshold limit value (TLV) is 0.29 mg/m3, which should not be exceeded at any time.

What is the percentage of sodium in sodium azide? ›

The molar mass (atomic weight ) of sodium is 23.0 grams/mole and the molar mass of sodium azide, NaN3 , is the mass of sodium, 23.0 gram/mole added to the molar mass of three atoms of nitrogen (14.0 x 3 = 42 gram/mole) which equals 65.0 grams/mole. The percentage of sodium is 23.0 /65.0 x 100 % = 35 %.

What neutralizes sodium azide? ›

Solutions of 5% or less of sodium azide can be destroyed by reaction with freshly prepared nitrous acid. Destruction MUST be conducted in a working fume hood and in an open container due to the release of toxic nitric oxide (NO) gas.

What is an alternative to sodium azide? ›

Sodium azide is a useful probe reagent, and an antibacterial preservative for biochemical solutions. In the past merthiolate and chlorobutanol were also used as an alternative to azide for preservation of biochemical solutions.

What is the antidote for sodium azide? ›

No specific antidote exists for sodium azide poisoning. The most important thing is for victims to seek medical treatment as soon as possible.

What is the effective concentration of sodium azide? ›

Concentration range: 0.02–0.05% (w/v). Note: the use of sodium azide is discouraged in many countries since it is capable of forming explosive, insoluble salts with heavy metals, and is believed to be mutagenic. Most effective in weakly acid solutions.

What does sodium azide do in solution? ›

Sodium azide rapidly hydrolyzes in water, when mixed with water or acid, to form hydrazoic acid, a highly toxic and explosive gas. Sodium azide can become statically charged and dissipates easily with fume hood drafts. Use caution when transferring weighed material to desired container.

What happens if you get sodium azide on your skin? ›

LCSS: SODIUM AZIDE. Highly toxic by inhalation, ingestion, or skin absorption. The acute toxicity of sodium azide is high. Symptoms of exposure include lowered blood pressure, headache, hypothermia, and in the case of serious overexposure, convulsions and death.

How do you make a .1N solution? ›

To make 1 N solution, dissolve 40.00 g of sodium hydroxide in water to make volume 1 liter. For a 0.1 N solution (used for wine analysis) 4.00 g of NaOH per liter is needed. Before we begin titrating that wine sample we have one more important step, standardization of NaOH solution.

How do you make a 0.1 N KI solution? ›

Iodine 0.1 N: Weigh 40 g of potassium iodide (KI) in a 500 mL glass-stoppered flask and dissolve in 100 mL of purified water. Let the solution come to room temperature, add 12.7 g of resublimed iodine (I2), restopper the flask, and swirl the flask until the iodine is completely dissolved.

How do you make 0.1 N sodium nitrite solution? ›

Preparation of 0.1 M sodium nitrite solution: Take properly weighed 07.50 gm of sodium nitrite and dissolve in 800 ml of distilled water, once it has completely dissolved, make up the volume to 1000 ml. Titration procedure: All glassware should be cleaned and dried according to standard laboratory procedures.

How do you make a 0.1 polymer solution? ›

Add 198 mL of water to 250 mL bottle. Using a syringe, add 2 mL of neat product to bottle. Shake vigorously for at least 1 minute. Prepare 0.1% solution.

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